Home / 51,373,472.20-70,905,691.07-30,477,103.68

Finding the Fourth Proportional to 51,373,472.20, 70,905,691.07 and 30,477,103.68

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Solution

The fourth proportional to 51,373,472.20, 70,905,691.07 and 30,477,103.68 is: 42,064,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373,472.20 : 70,905,691.07 = 30,477,103.68 : x
  2. Step 2: Convert to fraction form
    51,373,472.20/70,905,691.07 = 30,477,103.68/x
  3. Step 3: Cross multiply
    51,373,472.20x = 70,905,691.07 × 30,477,103.68
  4. Step 4: Simplify right side
    51,373,472.20x = 2,161,000,098,071,395.50
  5. Step 5: Solve for x
    x = 2,161,000,098,071,395.50/51,373,472.20
  6. Step 6: Final answer
    x = 42,064,513.17

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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.