Home / 159,499,589.88-220,150,384.58-103,883,596.68

Finding the Fourth Proportional to 159,499,589.88, 220,150,384.58 and 103,883,596.68

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Solution

The fourth proportional to 159,499,589.88, 220,150,384.58 and 103,883,596.68 is: 143,386,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,499,589.88 : 220,150,384.58 = 103,883,596.68 : x
  2. Step 2: Convert to fraction form
    159,499,589.88/220,150,384.58 = 103,883,596.68/x
  3. Step 3: Cross multiply
    159,499,589.88x = 220,150,384.58 × 103,883,596.68
  4. Step 4: Simplify right side
    159,499,589.88x = 22,870,013,760,655,616
  5. Step 5: Solve for x
    x = 22,870,013,760,655,616/159,499,589.88
  6. Step 6: Final answer
    x = 143,386,034.90

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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.