Home / 283,392,078.40-425,088,117.60-78,951,707.20

Finding the Fourth Proportional to 283,392,078.40, 425,088,117.60 and 78,951,707.20

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Solution

The fourth proportional to 283,392,078.40, 425,088,117.60 and 78,951,707.20 is: 118,427,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,392,078.40 : 425,088,117.60 = 78,951,707.20 : x
  2. Step 2: Convert to fraction form
    283,392,078.40/425,088,117.60 = 78,951,707.20/x
  3. Step 3: Cross multiply
    283,392,078.40x = 425,088,117.60 × 78,951,707.20
  4. Step 4: Simplify right side
    283,392,078.40x = 33,561,432,594,954,368
  5. Step 5: Solve for x
    x = 33,561,432,594,954,368/283,392,078.40
  6. Step 6: Final answer
    x = 118,427,560.80

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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.