Home / 90,876,413,271.80-136,314,619,907.70-61,122,519,716.60

Finding the Fourth Proportional to 90,876,413,271.80, 136,314,619,907.70 and 61,122,519,716.60

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Solution

The fourth proportional to 90,876,413,271.80, 136,314,619,907.70 and 61,122,519,716.60 is: 91,683,779,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,876,413,271.80 : 136,314,619,907.70 = 61,122,519,716.60 : x
  2. Step 2: Convert to fraction form
    90,876,413,271.80/136,314,619,907.70 = 61,122,519,716.60/x
  3. Step 3: Cross multiply
    90,876,413,271.80x = 136,314,619,907.70 × 61,122,519,716.60
  4. Step 4: Simplify right side
    90,876,413,271.80x = 8,331,893,042,969,227,296,768
  5. Step 5: Solve for x
    x = 8,331,893,042,969,227,296,768/90,876,413,271.80
  6. Step 6: Final answer
    x = 91,683,779,574.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.