Home / 156,740,352.80-235,361,487.45-124,659,031.10

Finding the Fourth Proportional to 156,740,352.80, 235,361,487.45 and 124,659,031.10

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Solution

The fourth proportional to 156,740,352.80, 235,361,487.45 and 124,659,031.10 is: 187,188,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740,352.80 : 235,361,487.45 = 124,659,031.10 : x
  2. Step 2: Convert to fraction form
    156,740,352.80/235,361,487.45 = 124,659,031.10/x
  3. Step 3: Cross multiply
    156,740,352.80x = 235,361,487.45 × 124,659,031.10
  4. Step 4: Simplify right side
    156,740,352.80x = 29,339,934,983,771,808
  5. Step 5: Solve for x
    x = 29,339,934,983,771,808/156,740,352.80
  6. Step 6: Final answer
    x = 187,188,139.24

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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.