Home / 171,925,793.10-257,888,689.65-156,053,421.90

Finding the Fourth Proportional to 171,925,793.10, 257,888,689.65 and 156,053,421.90

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Solution

The fourth proportional to 171,925,793.10, 257,888,689.65 and 156,053,421.90 is: 234,080,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,925,793.10 : 257,888,689.65 = 156,053,421.90 : x
  2. Step 2: Convert to fraction form
    171,925,793.10/257,888,689.65 = 156,053,421.90/x
  3. Step 3: Cross multiply
    171,925,793.10x = 257,888,689.65 × 156,053,421.90
  4. Step 4: Simplify right side
    171,925,793.10x = 40,244,412,489,189,616
  5. Step 5: Solve for x
    x = 40,244,412,489,189,616/171,925,793.10
  6. Step 6: Final answer
    x = 234,080,132.85

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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.