Home / 99,525,407.20-149,288,110.80-82,519,295.20

Finding the Fourth Proportional to 99,525,407.20, 149,288,110.80 and 82,519,295.20

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Solution

The fourth proportional to 99,525,407.20, 149,288,110.80 and 82,519,295.20 is: 123,778,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,407.20 : 149,288,110.80 = 82,519,295.20 : x
  2. Step 2: Convert to fraction form
    99,525,407.20/149,288,110.80 = 82,519,295.20/x
  3. Step 3: Cross multiply
    99,525,407.20x = 149,288,110.80 × 82,519,295.20
  4. Step 4: Simplify right side
    99,525,407.20x = 12,319,149,684,955,510
  5. Step 5: Solve for x
    x = 12,319,149,684,955,510/99,525,407.20
  6. Step 6: Final answer
    x = 123,778,942.80

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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.