Home / 212,944,180.20-319,416,270.30-76,580,356.20

Finding the Fourth Proportional to 212,944,180.20, 319,416,270.30 and 76,580,356.20

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Solution

The fourth proportional to 212,944,180.20, 319,416,270.30 and 76,580,356.20 is: 114,870,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,944,180.20 : 319,416,270.30 = 76,580,356.20 : x
  2. Step 2: Convert to fraction form
    212,944,180.20/319,416,270.30 = 76,580,356.20/x
  3. Step 3: Cross multiply
    212,944,180.20x = 319,416,270.30 × 76,580,356.20
  4. Step 4: Simplify right side
    212,944,180.20x = 24,461,011,755,649,484
  5. Step 5: Solve for x
    x = 24,461,011,755,649,484/212,944,180.20
  6. Step 6: Final answer
    x = 114,870,534.30

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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.