Home / 98,344,545.80-147,218,220.30-87,595,003.40

Finding the Fourth Proportional to 98,344,545.80, 147,218,220.30 and 87,595,003.40

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Solution

The fourth proportional to 98,344,545.80, 147,218,220.30 and 87,595,003.40 is: 131,126,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344,545.80 : 147,218,220.30 = 87,595,003.40 : x
  2. Step 2: Convert to fraction form
    98,344,545.80/147,218,220.30 = 87,595,003.40/x
  3. Step 3: Cross multiply
    98,344,545.80x = 147,218,220.30 × 87,595,003.40
  4. Step 4: Simplify right side
    98,344,545.80x = 12,895,580,507,720,450
  5. Step 5: Solve for x
    x = 12,895,580,507,720,450/98,344,545.80
  6. Step 6: Final answer
    x = 131,126,544.97

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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.