Home / 119,516,170.87-164,932,687.79-69,290,179.30

Finding the Fourth Proportional to 119,516,170.87, 164,932,687.79 and 69,290,179.30

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Solution

The fourth proportional to 119,516,170.87, 164,932,687.79 and 69,290,179.30 is: 95,620,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,516,170.87 : 164,932,687.79 = 69,290,179.30 : x
  2. Step 2: Convert to fraction form
    119,516,170.87/164,932,687.79 = 69,290,179.30/x
  3. Step 3: Cross multiply
    119,516,170.87x = 164,932,687.79 × 69,290,179.30
  4. Step 4: Simplify right side
    119,516,170.87x = 11,428,215,509,400,020
  5. Step 5: Solve for x
    x = 11,428,215,509,400,020/119,516,170.87
  6. Step 6: Final answer
    x = 95,620,663.10

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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.