Home / 66,427,227.90-99,640,841.85-40,785,090.30

Finding the Fourth Proportional to 66,427,227.90, 99,640,841.85 and 40,785,090.30

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Solution

The fourth proportional to 66,427,227.90, 99,640,841.85 and 40,785,090.30 is: 61,177,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427,227.90 : 99,640,841.85 = 40,785,090.30 : x
  2. Step 2: Convert to fraction form
    66,427,227.90/99,640,841.85 = 40,785,090.30/x
  3. Step 3: Cross multiply
    66,427,227.90x = 99,640,841.85 × 40,785,090.30
  4. Step 4: Simplify right side
    66,427,227.90x = 4,063,860,732,420,268.50
  5. Step 5: Solve for x
    x = 4,063,860,732,420,268.50/66,427,227.90
  6. Step 6: Final answer
    x = 61,177,635.45

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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.