Home / 88,328,516.18-121,895,488.56-49,172,939.60

Finding the Fourth Proportional to 88,328,516.18, 121,895,488.56 and 49,172,939.60

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Solution

The fourth proportional to 88,328,516.18, 121,895,488.56 and 49,172,939.60 is: 67,859,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,328,516.18 : 121,895,488.56 = 49,172,939.60 : x
  2. Step 2: Convert to fraction form
    88,328,516.18/121,895,488.56 = 49,172,939.60/x
  3. Step 3: Cross multiply
    88,328,516.18x = 121,895,488.56 × 49,172,939.60
  4. Step 4: Simplify right side
    88,328,516.18x = 5,993,959,496,473,371
  5. Step 5: Solve for x
    x = 5,993,959,496,473,371/88,328,516.18
  6. Step 6: Final answer
    x = 67,859,845.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.