Home / 260,951,432.80-360,114,400.91-153,665,435.92

Finding the Fourth Proportional to 260,951,432.80, 360,114,400.91 and 153,665,435.92

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Solution

The fourth proportional to 260,951,432.80, 360,114,400.91 and 153,665,435.92 is: 212,059,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,951,432.80 : 360,114,400.91 = 153,665,435.92 : x
  2. Step 2: Convert to fraction form
    260,951,432.80/360,114,400.91 = 153,665,435.92/x
  3. Step 3: Cross multiply
    260,951,432.80x = 360,114,400.91 × 153,665,435.92
  4. Step 4: Simplify right side
    260,951,432.80x = 55,337,136,395,236,176
  5. Step 5: Solve for x
    x = 55,337,136,395,236,176/260,951,432.80
  6. Step 6: Final answer
    x = 212,059,139.90

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1.5x scale

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.