Home / 159,499,657.62-220,150,478.07-103,883,664.42

Finding the Fourth Proportional to 159,499,657.62, 220,150,478.07 and 103,883,664.42

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Solution

The fourth proportional to 159,499,657.62, 220,150,478.07 and 103,883,664.42 is: 143,386,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,499,657.62 : 220,150,478.07 = 103,883,664.42 : x
  2. Step 2: Convert to fraction form
    159,499,657.62/220,150,478.07 = 103,883,664.42/x
  3. Step 3: Cross multiply
    159,499,657.62x = 220,150,478.07 × 103,883,664.42
  4. Step 4: Simplify right side
    159,499,657.62x = 22,870,038,385,726,448
  5. Step 5: Solve for x
    x = 22,870,038,385,726,448/159,499,657.62
  6. Step 6: Final answer
    x = 143,386,128.39

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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.