Home / 83,532,910.40-125,299,365.60-77,864,206.40

Finding the Fourth Proportional to 83,532,910.40, 125,299,365.60 and 77,864,206.40

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Solution

The fourth proportional to 83,532,910.40, 125,299,365.60 and 77,864,206.40 is: 116,796,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,532,910.40 : 125,299,365.60 = 77,864,206.40 : x
  2. Step 2: Convert to fraction form
    83,532,910.40/125,299,365.60 = 77,864,206.40/x
  3. Step 3: Cross multiply
    83,532,910.40x = 125,299,365.60 × 77,864,206.40
  4. Step 4: Simplify right side
    83,532,910.40x = 9,756,335,664,867,460
  5. Step 5: Solve for x
    x = 9,756,335,664,867,460/83,532,910.40
  6. Step 6: Final answer
    x = 116,796,309.60

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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.