Home / 162,158,321.98-223,775,718.54-87,818,278.46

Finding the Fourth Proportional to 162,158,321.98, 223,775,718.54 and 87,818,278.46

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Solution

The fourth proportional to 162,158,321.98, 223,775,718.54 and 87,818,278.46 is: 121,187,726.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,158,321.98 : 223,775,718.54 = 87,818,278.46 : x
  2. Step 2: Convert to fraction form
    162,158,321.98/223,775,718.54 = 87,818,278.46/x
  3. Step 3: Cross multiply
    162,158,321.98x = 223,775,718.54 × 87,818,278.46
  4. Step 4: Simplify right side
    162,158,321.98x = 19,651,598,363,891,744
  5. Step 5: Solve for x
    x = 19,651,598,363,891,744/162,158,321.98
  6. Step 6: Final answer
    x = 121,187,726.44

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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.