Home / 69,304,010.78-103,920,985.27-40,558,782.62

Finding the Fourth Proportional to 69,304,010.78, 103,920,985.27 and 40,558,782.62

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Solution

The fourth proportional to 69,304,010.78, 103,920,985.27 and 40,558,782.62 is: 60,817,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,304,010.78 : 103,920,985.27 = 40,558,782.62 : x
  2. Step 2: Convert to fraction form
    69,304,010.78/103,920,985.27 = 40,558,782.62/x
  3. Step 3: Cross multiply
    69,304,010.78x = 103,920,985.27 × 40,558,782.62
  4. Step 4: Simplify right side
    69,304,010.78x = 4,214,908,650,499,753.50
  5. Step 5: Solve for x
    x = 4,214,908,650,499,753.50/69,304,010.78
  6. Step 6: Final answer
    x = 60,817,672.79

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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.