Home / 156,872,419.24-235,337,358.92-64,705,879.42

Finding the Fourth Proportional to 156,872,419.24, 235,337,358.92 and 64,705,879.42

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Solution

The fourth proportional to 156,872,419.24, 235,337,358.92 and 64,705,879.42 is: 97,070,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,872,419.24 : 235,337,358.92 = 64,705,879.42 : x
  2. Step 2: Convert to fraction form
    156,872,419.24/235,337,358.92 = 64,705,879.42/x
  3. Step 3: Cross multiply
    156,872,419.24x = 235,337,358.92 × 64,705,879.42
  4. Step 4: Simplify right side
    156,872,419.24x = 15,227,710,769,995,514
  5. Step 5: Solve for x
    x = 15,227,710,769,995,514/156,872,419.24
  6. Step 6: Final answer
    x = 97,070,669.55

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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.