Home / 247,105,281.20-341,046,220.92-137,132,319.92

Finding the Fourth Proportional to 247,105,281.20, 341,046,220.92 and 137,132,319.92

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Solution

The fourth proportional to 247,105,281.20, 341,046,220.92 and 137,132,319.92 is: 189,265,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,105,281.20 : 341,046,220.92 = 137,132,319.92 : x
  2. Step 2: Convert to fraction form
    247,105,281.20/341,046,220.92 = 137,132,319.92/x
  3. Step 3: Cross multiply
    247,105,281.20x = 341,046,220.92 × 137,132,319.92
  4. Step 4: Simplify right side
    247,105,281.20x = 46,768,459,474,708,432
  5. Step 5: Solve for x
    x = 46,768,459,474,708,432/247,105,281.20
  6. Step 6: Final answer
    x = 189,265,317.39

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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.