Home / 78,234,648.02-117,304,142.33-37,306,605.14

Finding the Fourth Proportional to 78,234,648.02, 117,304,142.33 and 37,306,605.14

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Solution

The fourth proportional to 78,234,648.02, 117,304,142.33 and 37,306,605.14 is: 55,937,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,234,648.02 : 117,304,142.33 = 37,306,605.14 : x
  2. Step 2: Convert to fraction form
    78,234,648.02/117,304,142.33 = 37,306,605.14/x
  3. Step 3: Cross multiply
    78,234,648.02x = 117,304,142.33 × 37,306,605.14
  4. Step 4: Simplify right side
    78,234,648.02x = 4,376,219,318,418,615.50
  5. Step 5: Solve for x
    x = 4,376,219,318,418,615.50/78,234,648.02
  6. Step 6: Final answer
    x = 55,937,099.86

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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.