Home / 98,881,660.80-148,217,515.20-47,730,355.20

Finding the Fourth Proportional to 98,881,660.80, 148,217,515.20 and 47,730,355.20

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Solution

The fourth proportional to 98,881,660.80, 148,217,515.20 and 47,730,355.20 is: 71,544,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,881,660.80 : 148,217,515.20 = 47,730,355.20 : x
  2. Step 2: Convert to fraction form
    98,881,660.80/148,217,515.20 = 47,730,355.20/x
  3. Step 3: Cross multiply
    98,881,660.80x = 148,217,515.20 × 47,730,355.20
  4. Step 4: Simplify right side
    98,881,660.80x = 7,074,474,647,357,399
  5. Step 5: Solve for x
    x = 7,074,474,647,357,399/98,881,660.80
  6. Step 6: Final answer
    x = 71,544,860.70

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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.