Home / 142,478,800,155.96-213,754,375,016.84-65,956,413,194.76

Finding the Fourth Proportional to 142,478,800,155.96, 213,754,375,016.84 and 65,956,413,194.76

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Solution

The fourth proportional to 142,478,800,155.96, 213,754,375,016.84 and 65,956,413,194.76 is: 98,951,365,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,155.96 : 213,754,375,016.84 = 65,956,413,194.76 : x
  2. Step 2: Convert to fraction form
    142,478,800,155.96/213,754,375,016.84 = 65,956,413,194.76/x
  3. Step 3: Cross multiply
    142,478,800,155.96x = 213,754,375,016.84 × 65,956,413,194.76
  4. Step 4: Simplify right side
    142,478,800,155.96x = 14,098,471,880,798,383,374,336
  5. Step 5: Solve for x
    x = 14,098,471,880,798,383,374,336/142,478,800,155.96
  6. Step 6: Final answer
    x = 98,951,365,854.89

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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.