Home / 159,609,904.40-239,414,856.60-86,798,550.80

Finding the Fourth Proportional to 159,609,904.40, 239,414,856.60 and 86,798,550.80

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Solution

The fourth proportional to 159,609,904.40, 239,414,856.60 and 86,798,550.80 is: 130,197,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,609,904.40 : 239,414,856.60 = 86,798,550.80 : x
  2. Step 2: Convert to fraction form
    159,609,904.40/239,414,856.60 = 86,798,550.80/x
  3. Step 3: Cross multiply
    159,609,904.40x = 239,414,856.60 × 86,798,550.80
  4. Step 4: Simplify right side
    159,609,904.40x = 20,780,862,592,869,816
  5. Step 5: Solve for x
    x = 20,780,862,592,869,816/159,609,904.40
  6. Step 6: Final answer
    x = 130,197,826.20

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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.