Home / 278,150,871.75-417,216,010.50-112,226,134.20

Finding the Fourth Proportional to 278,150,871.75, 417,216,010.50 and 112,226,134.20

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Solution

The fourth proportional to 278,150,871.75, 417,216,010.50 and 112,226,134.20 is: 168,335,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,150,871.75 : 417,216,010.50 = 112,226,134.20 : x
  2. Step 2: Convert to fraction form
    278,150,871.75/417,216,010.50 = 112,226,134.20/x
  3. Step 3: Cross multiply
    278,150,871.75x = 417,216,010.50 × 112,226,134.20
  4. Step 4: Simplify right side
    278,150,871.75x = 46,822,539,984,761,608
  5. Step 5: Solve for x
    x = 46,822,539,984,761,608/278,150,871.75
  6. Step 6: Final answer
    x = 168,335,046.70

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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.