Home / 162,432,458.80-243,541,087.80-89,684,090.80

Finding the Fourth Proportional to 162,432,458.80, 243,541,087.80 and 89,684,090.80

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Solution

The fourth proportional to 162,432,458.80, 243,541,087.80 and 89,684,090.80 is: 134,466,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,432,458.80 : 243,541,087.80 = 89,684,090.80 : x
  2. Step 2: Convert to fraction form
    162,432,458.80/243,541,087.80 = 89,684,090.80/x
  3. Step 3: Cross multiply
    162,432,458.80x = 243,541,087.80 × 89,684,090.80
  4. Step 4: Simplify right side
    162,432,458.80x = 21,841,761,031,785,972
  5. Step 5: Solve for x
    x = 21,841,761,031,785,972/162,432,458.80
  6. Step 6: Final answer
    x = 134,466,726.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.