Home / 159,596,792.64-220,239,174.96-89,981,569.44

Finding the Fourth Proportional to 159,596,792.64, 220,239,174.96 and 89,981,569.44

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Solution

The fourth proportional to 159,596,792.64, 220,239,174.96 and 89,981,569.44 is: 124,172,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,596,792.64 : 220,239,174.96 = 89,981,569.44 : x
  2. Step 2: Convert to fraction form
    159,596,792.64/220,239,174.96 = 89,981,569.44/x
  3. Step 3: Cross multiply
    159,596,792.64x = 220,239,174.96 × 89,981,569.44
  4. Step 4: Simplify right side
    159,596,792.64x = 19,817,466,615,071,548
  5. Step 5: Solve for x
    x = 19,817,466,615,071,548/159,596,792.64
  6. Step 6: Final answer
    x = 124,172,085.71

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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.