Home / 67,378,980.10-101,068,142.10-26,409,471.70

Finding the Fourth Proportional to 67,378,980.10, 101,068,142.10 and 26,409,471.70

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Solution

The fourth proportional to 67,378,980.10, 101,068,142.10 and 26,409,471.70 is: 39,614,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378,980.10 : 101,068,142.10 = 26,409,471.70 : x
  2. Step 2: Convert to fraction form
    67,378,980.10/101,068,142.10 = 26,409,471.70/x
  3. Step 3: Cross multiply
    67,378,980.10x = 101,068,142.10 × 26,409,471.70
  4. Step 4: Simplify right side
    67,378,980.10x = 2,669,156,238,561,528.50
  5. Step 5: Solve for x
    x = 2,669,156,238,561,528.50/67,378,980.10
  6. Step 6: Final answer
    x = 39,614,078.97

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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.