Home / 159,831,287.76-220,567,177.50-86,492,429.76

Finding the Fourth Proportional to 159,831,287.76, 220,567,177.50 and 86,492,429.76

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Solution

The fourth proportional to 159,831,287.76, 220,567,177.50 and 86,492,429.76 is: 119,359,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,287.76 : 220,567,177.50 = 86,492,429.76 : x
  2. Step 2: Convert to fraction form
    159,831,287.76/220,567,177.50 = 86,492,429.76/x
  3. Step 3: Cross multiply
    159,831,287.76x = 220,567,177.50 × 86,492,429.76
  4. Step 4: Simplify right side
    159,831,287.76x = 19,077,391,107,280,204
  5. Step 5: Solve for x
    x = 19,077,391,107,280,204/159,831,287.76
  6. Step 6: Final answer
    x = 119,359,553.28

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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.