Home / 159,498,617.67-220,149,045.65-103,882,628.12

Finding the Fourth Proportional to 159,498,617.67, 220,149,045.65 and 103,882,628.12

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Solution

The fourth proportional to 159,498,617.67, 220,149,045.65 and 103,882,628.12 is: 143,384,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,498,617.67 : 220,149,045.65 = 103,882,628.12 : x
  2. Step 2: Convert to fraction form
    159,498,617.67/220,149,045.65 = 103,882,628.12/x
  3. Step 3: Cross multiply
    159,498,617.67x = 220,149,045.65 × 103,882,628.12
  4. Step 4: Simplify right side
    159,498,617.67x = 22,869,661,439,390,816
  5. Step 5: Solve for x
    x = 22,869,661,439,390,816/159,498,617.67
  6. Step 6: Final answer
    x = 143,384,699.96

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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.