Home / 142,478,800,138.45-213,754,374,990.61-65,956,413,177.17

Finding the Fourth Proportional to 142,478,800,138.45, 213,754,374,990.61 and 65,956,413,177.17

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Solution

The fourth proportional to 142,478,800,138.45, 213,754,374,990.61 and 65,956,413,177.17 is: 98,951,365,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,800,138.45 : 213,754,374,990.61 = 65,956,413,177.17 : x
  2. Step 2: Convert to fraction form
    142,478,800,138.45/213,754,374,990.61 = 65,956,413,177.17/x
  3. Step 3: Cross multiply
    142,478,800,138.45x = 213,754,374,990.61 × 65,956,413,177.17
  4. Step 4: Simplify right side
    142,478,800,138.45x = 14,098,471,875,307,336,892,416
  5. Step 5: Solve for x
    x = 14,098,471,875,307,336,892,416/142,478,800,138.45
  6. Step 6: Final answer
    x = 98,951,365,828.51

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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.