Home / 99,155,669.92-148,539,563.93-81,673,324.70

Finding the Fourth Proportional to 99,155,669.92, 148,539,563.93 and 81,673,324.70

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Solution

The fourth proportional to 99,155,669.92, 148,539,563.93 and 81,673,324.70 is: 122,350,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155,669.92 : 148,539,563.93 = 81,673,324.70 : x
  2. Step 2: Convert to fraction form
    99,155,669.92/148,539,563.93 = 81,673,324.70/x
  3. Step 3: Cross multiply
    99,155,669.92x = 148,539,563.93 × 81,673,324.70
  4. Step 4: Simplify right side
    99,155,669.92x = 12,131,720,035,488,498
  5. Step 5: Solve for x
    x = 12,131,720,035,488,498/99,155,669.92
  6. Step 6: Final answer
    x = 122,350,240.23

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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.