Home / 74,890,144.70-112,335,217.05-31,752,007.10

Finding the Fourth Proportional to 74,890,144.70, 112,335,217.05 and 31,752,007.10

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Solution

The fourth proportional to 74,890,144.70, 112,335,217.05 and 31,752,007.10 is: 47,628,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,144.70 : 112,335,217.05 = 31,752,007.10 : x
  2. Step 2: Convert to fraction form
    74,890,144.70/112,335,217.05 = 31,752,007.10/x
  3. Step 3: Cross multiply
    74,890,144.70x = 112,335,217.05 × 31,752,007.10
  4. Step 4: Simplify right side
    74,890,144.70x = 3,566,868,609,351,641
  5. Step 5: Solve for x
    x = 3,566,868,609,351,641/74,890,144.70
  6. Step 6: Final answer
    x = 47,628,010.65

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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.