Home / 84,019,727.60-126,029,591.40-26,517,811.40

Finding the Fourth Proportional to 84,019,727.60, 126,029,591.40 and 26,517,811.40

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Solution

The fourth proportional to 84,019,727.60, 126,029,591.40 and 26,517,811.40 is: 39,776,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019,727.60 : 126,029,591.40 = 26,517,811.40 : x
  2. Step 2: Convert to fraction form
    84,019,727.60/126,029,591.40 = 26,517,811.40/x
  3. Step 3: Cross multiply
    84,019,727.60x = 126,029,591.40 × 26,517,811.40
  4. Step 4: Simplify right side
    84,019,727.60x = 3,342,028,935,564,262
  5. Step 5: Solve for x
    x = 3,342,028,935,564,262/84,019,727.60
  6. Step 6: Final answer
    x = 39,776,717.10

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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.