Home / 137,561,176.29-189,834,416.87-75,680,186.25

Finding the Fourth Proportional to 137,561,176.29, 189,834,416.87 and 75,680,186.25

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Solution

The fourth proportional to 137,561,176.29, 189,834,416.87 and 75,680,186.25 is: 104,438,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,561,176.29 : 189,834,416.87 = 75,680,186.25 : x
  2. Step 2: Convert to fraction form
    137,561,176.29/189,834,416.87 = 75,680,186.25/x
  3. Step 3: Cross multiply
    137,561,176.29x = 189,834,416.87 × 75,680,186.25
  4. Step 4: Simplify right side
    137,561,176.29x = 14,366,704,025,381,742
  5. Step 5: Solve for x
    x = 14,366,704,025,381,742/137,561,176.29
  6. Step 6: Final answer
    x = 104,438,653.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.