Home / 70,454,472.10-105,681,708.15-47,496,220.90

Finding the Fourth Proportional to 70,454,472.10, 105,681,708.15 and 47,496,220.90

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Solution

The fourth proportional to 70,454,472.10, 105,681,708.15 and 47,496,220.90 is: 71,244,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,454,472.10 : 105,681,708.15 = 47,496,220.90 : x
  2. Step 2: Convert to fraction form
    70,454,472.10/105,681,708.15 = 47,496,220.90/x
  3. Step 3: Cross multiply
    70,454,472.10x = 105,681,708.15 × 47,496,220.90
  4. Step 4: Simplify right side
    70,454,472.10x = 5,019,481,755,381,730
  5. Step 5: Solve for x
    x = 5,019,481,755,381,730/70,454,472.10
  6. Step 6: Final answer
    x = 71,244,331.35

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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.