Home / 65,200,631.70-97,800,947.55-47,981,943.30

Finding the Fourth Proportional to 65,200,631.70, 97,800,947.55 and 47,981,943.30

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Solution

The fourth proportional to 65,200,631.70, 97,800,947.55 and 47,981,943.30 is: 71,972,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,631.70 : 97,800,947.55 = 47,981,943.30 : x
  2. Step 2: Convert to fraction form
    65,200,631.70/97,800,947.55 = 47,981,943.30/x
  3. Step 3: Cross multiply
    65,200,631.70x = 97,800,947.55 × 47,981,943.30
  4. Step 4: Simplify right side
    65,200,631.70x = 4,692,679,520,030,373
  5. Step 5: Solve for x
    x = 4,692,679,520,030,373/65,200,631.70
  6. Step 6: Final answer
    x = 71,972,914.95

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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.