Home / 156,975,024.75-216,623,418.23-87,360,387.18

Finding the Fourth Proportional to 156,975,024.75, 216,623,418.23 and 87,360,387.18

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Solution

The fourth proportional to 156,975,024.75, 216,623,418.23 and 87,360,387.18 is: 120,556,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975,024.75 : 216,623,418.23 = 87,360,387.18 : x
  2. Step 2: Convert to fraction form
    156,975,024.75/216,623,418.23 = 87,360,387.18/x
  3. Step 3: Cross multiply
    156,975,024.75x = 216,623,418.23 × 87,360,387.18
  4. Step 4: Simplify right side
    156,975,024.75x = 18,924,305,688,391,068
  5. Step 5: Solve for x
    x = 18,924,305,688,391,068/156,975,024.75
  6. Step 6: Final answer
    x = 120,556,156.74

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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.