Home / 98,928,601.30-148,392,901.95-84,260,829.70

Finding the Fourth Proportional to 98,928,601.30, 148,392,901.95 and 84,260,829.70

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Solution

The fourth proportional to 98,928,601.30, 148,392,901.95 and 84,260,829.70 is: 126,391,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,601.30 : 148,392,901.95 = 84,260,829.70 : x
  2. Step 2: Convert to fraction form
    98,928,601.30/148,392,901.95 = 84,260,829.70/x
  3. Step 3: Cross multiply
    98,928,601.30x = 148,392,901.95 × 84,260,829.70
  4. Step 4: Simplify right side
    98,928,601.30x = 12,503,709,039,897,748
  5. Step 5: Solve for x
    x = 12,503,709,039,897,748/98,928,601.30
  6. Step 6: Final answer
    x = 126,391,244.55

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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.