Home / 52,156,523.70-78,234,785.55-18,081,314.10

Finding the Fourth Proportional to 52,156,523.70, 78,234,785.55 and 18,081,314.10

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Solution

The fourth proportional to 52,156,523.70, 78,234,785.55 and 18,081,314.10 is: 27,121,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156,523.70 : 78,234,785.55 = 18,081,314.10 : x
  2. Step 2: Convert to fraction form
    52,156,523.70/78,234,785.55 = 18,081,314.10/x
  3. Step 3: Cross multiply
    52,156,523.70x = 78,234,785.55 × 18,081,314.10
  4. Step 4: Simplify right side
    52,156,523.70x = 1,414,587,731,075,691.25
  5. Step 5: Solve for x
    x = 1,414,587,731,075,691.25/52,156,523.70
  6. Step 6: Final answer
    x = 27,121,971.15

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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.