Home / 279,355,310.62-385,510,434.14-161,948,699.71

Finding the Fourth Proportional to 279,355,310.62, 385,510,434.14 and 161,948,699.71

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Solution

The fourth proportional to 279,355,310.62, 385,510,434.14 and 161,948,699.71 is: 223,489,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,355,310.62 : 385,510,434.14 = 161,948,699.71 : x
  2. Step 2: Convert to fraction form
    279,355,310.62/385,510,434.14 = 161,948,699.71/x
  3. Step 3: Cross multiply
    279,355,310.62x = 385,510,434.14 × 161,948,699.71
  4. Step 4: Simplify right side
    279,355,310.62x = 62,432,913,533,610,592
  5. Step 5: Solve for x
    x = 62,432,913,533,610,592/279,355,310.62
  6. Step 6: Final answer
    x = 223,489,266.75

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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.