Home / 279,049,559.33-385,125,061.20-160,018,732.75

Finding the Fourth Proportional to 279,049,559.33, 385,125,061.20 and 160,018,732.75

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Solution

The fourth proportional to 279,049,559.33, 385,125,061.20 and 160,018,732.75 is: 220,846,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,049,559.33 : 385,125,061.20 = 160,018,732.75 : x
  2. Step 2: Convert to fraction form
    279,049,559.33/385,125,061.20 = 160,018,732.75/x
  3. Step 3: Cross multiply
    279,049,559.33x = 385,125,061.20 × 160,018,732.75
  4. Step 4: Simplify right side
    279,049,559.33x = 61,627,224,243,490,192
  5. Step 5: Solve for x
    x = 61,627,224,243,490,192/279,049,559.33
  6. Step 6: Final answer
    x = 220,846,878.93

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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.