Home / 82,374,717.72-123,569,337.96-30,559,920.60

Finding the Fourth Proportional to 82,374,717.72, 123,569,337.96 and 30,559,920.60

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Solution

The fourth proportional to 82,374,717.72, 123,569,337.96 and 30,559,920.60 is: 45,842,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,374,717.72 : 123,569,337.96 = 30,559,920.60 : x
  2. Step 2: Convert to fraction form
    82,374,717.72/123,569,337.96 = 30,559,920.60/x
  3. Step 3: Cross multiply
    82,374,717.72x = 123,569,337.96 × 30,559,920.60
  4. Step 4: Simplify right side
    82,374,717.72x = 3,776,269,156,652,166
  5. Step 5: Solve for x
    x = 3,776,269,156,652,166/82,374,717.72
  6. Step 6: Final answer
    x = 45,842,574.78

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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.