Home / 170,817,793.10-256,226,689.65-78,701,353.10

Finding the Fourth Proportional to 170,817,793.10, 256,226,689.65 and 78,701,353.10

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Solution

The fourth proportional to 170,817,793.10, 256,226,689.65 and 78,701,353.10 is: 118,052,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,817,793.10 : 256,226,689.65 = 78,701,353.10 : x
  2. Step 2: Convert to fraction form
    170,817,793.10/256,226,689.65 = 78,701,353.10/x
  3. Step 3: Cross multiply
    170,817,793.10x = 256,226,689.65 × 78,701,353.10
  4. Step 4: Simplify right side
    170,817,793.10x = 20,165,387,175,788,764
  5. Step 5: Solve for x
    x = 20,165,387,175,788,764/170,817,793.10
  6. Step 6: Final answer
    x = 118,052,029.65

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1.5x scale

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.