Home / 159,488,378.50-220,094,050.89-86,149,521.22

Finding the Fourth Proportional to 159,488,378.50, 220,094,050.89 and 86,149,521.22

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Solution

The fourth proportional to 159,488,378.50, 220,094,050.89 and 86,149,521.22 is: 118,886,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,488,378.50 : 220,094,050.89 = 86,149,521.22 : x
  2. Step 2: Convert to fraction form
    159,488,378.50/220,094,050.89 = 86,149,521.22/x
  3. Step 3: Cross multiply
    159,488,378.50x = 220,094,050.89 × 86,149,521.22
  4. Step 4: Simplify right side
    159,488,378.50x = 18,960,997,107,543,812
  5. Step 5: Solve for x
    x = 18,960,997,107,543,812/159,488,378.50
  6. Step 6: Final answer
    x = 118,886,387.12

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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.