Home / 83,146,507.20-124,578,043.20-70,958,793.60

Finding the Fourth Proportional to 83,146,507.20, 124,578,043.20 and 70,958,793.60

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Solution

The fourth proportional to 83,146,507.20, 124,578,043.20 and 70,958,793.60 is: 106,317,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146,507.20 : 124,578,043.20 = 70,958,793.60 : x
  2. Step 2: Convert to fraction form
    83,146,507.20/124,578,043.20 = 70,958,793.60/x
  3. Step 3: Cross multiply
    83,146,507.20x = 124,578,043.20 × 70,958,793.60
  4. Step 4: Simplify right side
    83,146,507.20x = 8,839,907,654,520,683
  5. Step 5: Solve for x
    x = 8,839,907,654,520,683/83,146,507.20
  6. Step 6: Final answer
    x = 106,317,245.93

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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.