Home / 162,003,251.86-223,565,080.14-87,663,813

Finding the Fourth Proportional to 162,003,251.86, 223,565,080.14 and 87,663,813

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Solution

The fourth proportional to 162,003,251.86, 223,565,080.14 and 87,663,813 is: 120,976,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,251.86 : 223,565,080.14 = 87,663,813 : x
  2. Step 2: Convert to fraction form
    162,003,251.86/223,565,080.14 = 87,663,813/x
  3. Step 3: Cross multiply
    162,003,251.86x = 223,565,080.14 × 87,663,813
  4. Step 4: Simplify right side
    162,003,251.86x = 19,598,567,378,722,972
  5. Step 5: Solve for x
    x = 19,598,567,378,722,972/162,003,251.86
  6. Step 6: Final answer
    x = 120,976,382.60

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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.