Home / 71,820,876.34-107,746,462.21-23,294,961.72

Finding the Fourth Proportional to 71,820,876.34, 107,746,462.21 and 23,294,961.72

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Solution

The fourth proportional to 71,820,876.34, 107,746,462.21 and 23,294,961.72 is: 34,947,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,820,876.34 : 107,746,462.21 = 23,294,961.72 : x
  2. Step 2: Convert to fraction form
    71,820,876.34/107,746,462.21 = 23,294,961.72/x
  3. Step 3: Cross multiply
    71,820,876.34x = 107,746,462.21 × 23,294,961.72
  4. Step 4: Simplify right side
    71,820,876.34x = 2,509,949,712,698,159.50
  5. Step 5: Solve for x
    x = 2,509,949,712,698,159.50/71,820,876.34
  6. Step 6: Final answer
    x = 34,947,355.71

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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.