Home / 169,205,763.44-253,809,520.96-77,025,035.76

Finding the Fourth Proportional to 169,205,763.44, 253,809,520.96 and 77,025,035.76

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Solution

The fourth proportional to 169,205,763.44, 253,809,520.96 and 77,025,035.76 is: 115,537,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205,763.44 : 253,809,520.96 = 77,025,035.76 : x
  2. Step 2: Convert to fraction form
    169,205,763.44/253,809,520.96 = 77,025,035.76/x
  3. Step 3: Cross multiply
    169,205,763.44x = 253,809,520.96 × 77,025,035.76
  4. Step 4: Simplify right side
    169,205,763.44x = 19,549,687,428,172,472
  5. Step 5: Solve for x
    x = 19,549,687,428,172,472/169,205,763.44
  6. Step 6: Final answer
    x = 115,537,952.32

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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.