Home / 90,511,998-124,884,774.72-53,343,758.04

Finding the Fourth Proportional to 90,511,998, 124,884,774.72 and 53,343,758.04

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Solution

The fourth proportional to 90,511,998, 124,884,774.72 and 53,343,758.04 is: 73,601,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,511,998 : 124,884,774.72 = 53,343,758.04 : x
  2. Step 2: Convert to fraction form
    90,511,998/124,884,774.72 = 53,343,758.04/x
  3. Step 3: Cross multiply
    90,511,998x = 124,884,774.72 × 53,343,758.04
  4. Step 4: Simplify right side
    90,511,998x = 6,661,823,205,543,589
  5. Step 5: Solve for x
    x = 6,661,823,205,543,589/90,511,998
  6. Step 6: Final answer
    x = 73,601,548.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.