Home / 99,071,708.40-148,481,591.40-47,843,420.40

Finding the Fourth Proportional to 99,071,708.40, 148,481,591.40 and 47,843,420.40

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Solution

The fourth proportional to 99,071,708.40, 148,481,591.40 and 47,843,420.40 is: 71,704,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071,708.40 : 148,481,591.40 = 47,843,420.40 : x
  2. Step 2: Convert to fraction form
    99,071,708.40/148,481,591.40 = 47,843,420.40/x
  3. Step 3: Cross multiply
    99,071,708.40x = 148,481,591.40 × 47,843,420.40
  4. Step 4: Simplify right side
    99,071,708.40x = 7,103,867,199,011,225
  5. Step 5: Solve for x
    x = 7,103,867,199,011,225/99,071,708.40
  6. Step 6: Final answer
    x = 71,704,296.96

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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.