Home / 279,234,146.81-385,330,687.29-160,071,311.58

Finding the Fourth Proportional to 279,234,146.81, 385,330,687.29 and 160,071,311.58

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Solution

The fourth proportional to 279,234,146.81, 385,330,687.29 and 160,071,311.58 is: 220,891,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,234,146.81 : 385,330,687.29 = 160,071,311.58 : x
  2. Step 2: Convert to fraction form
    279,234,146.81/385,330,687.29 = 160,071,311.58/x
  3. Step 3: Cross multiply
    279,234,146.81x = 385,330,687.29 × 160,071,311.58
  4. Step 4: Simplify right side
    279,234,146.81x = 61,680,388,506,533,144
  5. Step 5: Solve for x
    x = 61,680,388,506,533,144/279,234,146.81
  6. Step 6: Final answer
    x = 220,891,281.43

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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.