Home / 74,854,891.20-112,114,375.20-61,417,963.20

Finding the Fourth Proportional to 74,854,891.20, 112,114,375.20 and 61,417,963.20

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Solution

The fourth proportional to 74,854,891.20, 112,114,375.20 and 61,417,963.20 is: 91,989,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854,891.20 : 112,114,375.20 = 61,417,963.20 : x
  2. Step 2: Convert to fraction form
    74,854,891.20/112,114,375.20 = 61,417,963.20/x
  3. Step 3: Cross multiply
    74,854,891.20x = 112,114,375.20 × 61,417,963.20
  4. Step 4: Simplify right side
    74,854,891.20x = 6,885,836,570,224,593
  5. Step 5: Solve for x
    x = 6,885,836,570,224,593/74,854,891.20
  6. Step 6: Final answer
    x = 91,989,133.37

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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.