Home / 99,762,922.26-137,737,613.18-89,290,803.54

Finding the Fourth Proportional to 99,762,922.26, 137,737,613.18 and 89,290,803.54

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Solution

The fourth proportional to 99,762,922.26, 137,737,613.18 and 89,290,803.54 is: 123,279,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,762,922.26 : 137,737,613.18 = 89,290,803.54 : x
  2. Step 2: Convert to fraction form
    99,762,922.26/137,737,613.18 = 89,290,803.54/x
  3. Step 3: Cross multiply
    99,762,922.26x = 137,737,613.18 × 89,290,803.54
  4. Step 4: Simplify right side
    99,762,922.26x = 12,298,702,158,747,122
  5. Step 5: Solve for x
    x = 12,298,702,158,747,122/99,762,922.26
  6. Step 6: Final answer
    x = 123,279,289.34

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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.