Home / 52,002,620.10-78,003,930.15-39,153,557.70

Finding the Fourth Proportional to 52,002,620.10, 78,003,930.15 and 39,153,557.70

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Solution

The fourth proportional to 52,002,620.10, 78,003,930.15 and 39,153,557.70 is: 58,730,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,002,620.10 : 78,003,930.15 = 39,153,557.70 : x
  2. Step 2: Convert to fraction form
    52,002,620.10/78,003,930.15 = 39,153,557.70/x
  3. Step 3: Cross multiply
    52,002,620.10x = 78,003,930.15 × 39,153,557.70
  4. Step 4: Simplify right side
    52,002,620.10x = 3,054,131,379,954,795
  5. Step 5: Solve for x
    x = 3,054,131,379,954,795/52,002,620.10
  6. Step 6: Final answer
    x = 58,730,336.55

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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.