Home / 74,148,629.10-111,222,943.65-71,125,320.30

Finding the Fourth Proportional to 74,148,629.10, 111,222,943.65 and 71,125,320.30

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Solution

The fourth proportional to 74,148,629.10, 111,222,943.65 and 71,125,320.30 is: 106,687,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,148,629.10 : 111,222,943.65 = 71,125,320.30 : x
  2. Step 2: Convert to fraction form
    74,148,629.10/111,222,943.65 = 71,125,320.30/x
  3. Step 3: Cross multiply
    74,148,629.10x = 111,222,943.65 × 71,125,320.30
  4. Step 4: Simplify right side
    74,148,629.10x = 7,910,767,491,815,101
  5. Step 5: Solve for x
    x = 7,910,767,491,815,101/74,148,629.10
  6. Step 6: Final answer
    x = 106,687,980.45

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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.