Home / 90,234,506.89-124,520,032.28-51,084,404.80

Finding the Fourth Proportional to 90,234,506.89, 124,520,032.28 and 51,084,404.80

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Solution

The fourth proportional to 90,234,506.89, 124,520,032.28 and 51,084,404.80 is: 70,494,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234,506.89 : 124,520,032.28 = 51,084,404.80 : x
  2. Step 2: Convert to fraction form
    90,234,506.89/124,520,032.28 = 51,084,404.80/x
  3. Step 3: Cross multiply
    90,234,506.89x = 124,520,032.28 × 51,084,404.80
  4. Step 4: Simplify right side
    90,234,506.89x = 6,361,031,733,822,565
  5. Step 5: Solve for x
    x = 6,361,031,733,822,565/90,234,506.89
  6. Step 6: Final answer
    x = 70,494,447.78

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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.