Home / 279,234,140.81-385,330,679.01-160,071,305.56

Finding the Fourth Proportional to 279,234,140.81, 385,330,679.01 and 160,071,305.56

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Solution

The fourth proportional to 279,234,140.81, 385,330,679.01 and 160,071,305.56 is: 220,891,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,234,140.81 : 385,330,679.01 = 160,071,305.56 : x
  2. Step 2: Convert to fraction form
    279,234,140.81/385,330,679.01 = 160,071,305.56/x
  3. Step 3: Cross multiply
    279,234,140.81x = 385,330,679.01 × 160,071,305.56
  4. Step 4: Simplify right side
    279,234,140.81x = 61,680,384,860,488,664
  5. Step 5: Solve for x
    x = 61,680,384,860,488,664/279,234,140.81
  6. Step 6: Final answer
    x = 220,891,273.12

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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.