Home / 120,004,689.14-165,606,476.50-65,000,545.64

Finding the Fourth Proportional to 120,004,689.14, 165,606,476.50 and 65,000,545.64

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Solution

The fourth proportional to 120,004,689.14, 165,606,476.50 and 65,000,545.64 is: 89,700,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,004,689.14 : 165,606,476.50 = 65,000,545.64 : x
  2. Step 2: Convert to fraction form
    120,004,689.14/165,606,476.50 = 65,000,545.64/x
  3. Step 3: Cross multiply
    120,004,689.14x = 165,606,476.50 × 65,000,545.64
  4. Step 4: Simplify right side
    120,004,689.14x = 10,764,511,334,017,838
  5. Step 5: Solve for x
    x = 10,764,511,334,017,838/120,004,689.14
  6. Step 6: Final answer
    x = 89,700,755.96

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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.