Home / 91,858,116.80-137,850,160.80-40,776,795.20

Finding the Fourth Proportional to 91,858,116.80, 137,850,160.80 and 40,776,795.20

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Solution

The fourth proportional to 91,858,116.80, 137,850,160.80 and 40,776,795.20 is: 61,193,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858,116.80 : 137,850,160.80 = 40,776,795.20 : x
  2. Step 2: Convert to fraction form
    91,858,116.80/137,850,160.80 = 40,776,795.20/x
  3. Step 3: Cross multiply
    91,858,116.80x = 137,850,160.80 × 40,776,795.20
  4. Step 4: Simplify right side
    91,858,116.80x = 5,621,087,775,228,669
  5. Step 5: Solve for x
    x = 5,621,087,775,228,669/91,858,116.80
  6. Step 6: Final answer
    x = 61,193,152.78

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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.