Home / 279,049,648.75-385,125,184.52-160,018,822.15

Finding the Fourth Proportional to 279,049,648.75, 385,125,184.52 and 160,018,822.15

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Solution

The fourth proportional to 279,049,648.75, 385,125,184.52 and 160,018,822.15 is: 220,847,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,049,648.75 : 385,125,184.52 = 160,018,822.15 : x
  2. Step 2: Convert to fraction form
    279,049,648.75/385,125,184.52 = 160,018,822.15/x
  3. Step 3: Cross multiply
    279,049,648.75x = 385,125,184.52 × 160,018,822.15
  4. Step 4: Simplify right side
    279,049,648.75x = 61,627,278,407,191,816
  5. Step 5: Solve for x
    x = 61,627,278,407,191,816/279,049,648.75
  6. Step 6: Final answer
    x = 220,847,002.26

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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.