Home / 131,868,007.20-197,802,010.80-36,129,895.20

Finding the Fourth Proportional to 131,868,007.20, 197,802,010.80 and 36,129,895.20

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Solution

The fourth proportional to 131,868,007.20, 197,802,010.80 and 36,129,895.20 is: 54,194,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,007.20 : 197,802,010.80 = 36,129,895.20 : x
  2. Step 2: Convert to fraction form
    131,868,007.20/197,802,010.80 = 36,129,895.20/x
  3. Step 3: Cross multiply
    131,868,007.20x = 197,802,010.80 × 36,129,895.20
  4. Step 4: Simplify right side
    131,868,007.20x = 7,146,565,920,553,269
  5. Step 5: Solve for x
    x = 7,146,565,920,553,269/131,868,007.20
  6. Step 6: Final answer
    x = 54,194,842.80

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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.