Home / 275,334,521.80-379,950,000.18-149,884,109.68

Finding the Fourth Proportional to 275,334,521.80, 379,950,000.18 and 149,884,109.68

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Solution

The fourth proportional to 275,334,521.80, 379,950,000.18 and 149,884,109.68 is: 206,833,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,334,521.80 : 379,950,000.18 = 149,884,109.68 : x
  2. Step 2: Convert to fraction form
    275,334,521.80/379,950,000.18 = 149,884,109.68/x
  3. Step 3: Cross multiply
    275,334,521.80x = 379,950,000.18 × 149,884,109.68
  4. Step 4: Simplify right side
    275,334,521.80x = 56,948,467,499,895,144
  5. Step 5: Solve for x
    x = 56,948,467,499,895,144/275,334,521.80
  6. Step 6: Final answer
    x = 206,833,734.93

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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.