Home / 271,596,688.38-407,391,040.89-67,124,781.18

Finding the Fourth Proportional to 271,596,688.38, 407,391,040.89 and 67,124,781.18

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Solution

The fourth proportional to 271,596,688.38, 407,391,040.89 and 67,124,781.18 is: 100,686,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,596,688.38 : 407,391,040.89 = 67,124,781.18 : x
  2. Step 2: Convert to fraction form
    271,596,688.38/407,391,040.89 = 67,124,781.18/x
  3. Step 3: Cross multiply
    271,596,688.38x = 407,391,040.89 × 67,124,781.18
  4. Step 4: Simplify right side
    271,596,688.38x = 27,346,034,474,433,684
  5. Step 5: Solve for x
    x = 27,346,034,474,433,684/271,596,688.38
  6. Step 6: Final answer
    x = 100,686,185.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.