Home / 51,373,472.71-70,905,691.76-30,477,104.18

Finding the Fourth Proportional to 51,373,472.71, 70,905,691.76 and 30,477,104.18

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Solution

The fourth proportional to 51,373,472.71, 70,905,691.76 and 30,477,104.18 is: 42,064,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373,472.71 : 70,905,691.76 = 30,477,104.18 : x
  2. Step 2: Convert to fraction form
    51,373,472.71/70,905,691.76 = 30,477,104.18/x
  3. Step 3: Cross multiply
    51,373,472.71x = 70,905,691.76 × 30,477,104.18
  4. Step 4: Simplify right side
    51,373,472.71x = 2,161,000,154,724,487.75
  5. Step 5: Solve for x
    x = 2,161,000,154,724,487.75/51,373,472.71
  6. Step 6: Final answer
    x = 42,064,513.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.