Home / 52,165,871.70-78,248,807.55-13,831,260.90

Finding the Fourth Proportional to 52,165,871.70, 78,248,807.55 and 13,831,260.90

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Solution

The fourth proportional to 52,165,871.70, 78,248,807.55 and 13,831,260.90 is: 20,746,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165,871.70 : 78,248,807.55 = 13,831,260.90 : x
  2. Step 2: Convert to fraction form
    52,165,871.70/78,248,807.55 = 13,831,260.90/x
  3. Step 3: Cross multiply
    52,165,871.70x = 78,248,807.55 × 13,831,260.90
  4. Step 4: Simplify right side
    52,165,871.70x = 1,082,279,672,337,939.75
  5. Step 5: Solve for x
    x = 1,082,279,672,337,939.75/52,165,871.70
  6. Step 6: Final answer
    x = 20,746,891.35

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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.