Home / 206,871,822.10-310,307,733.15-189,403,815.70

Finding the Fourth Proportional to 206,871,822.10, 310,307,733.15 and 189,403,815.70

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Solution

The fourth proportional to 206,871,822.10, 310,307,733.15 and 189,403,815.70 is: 284,105,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,871,822.10 : 310,307,733.15 = 189,403,815.70 : x
  2. Step 2: Convert to fraction form
    206,871,822.10/310,307,733.15 = 189,403,815.70/x
  3. Step 3: Cross multiply
    206,871,822.10x = 310,307,733.15 × 189,403,815.70
  4. Step 4: Simplify right side
    206,871,822.10x = 58,773,468,699,827,376
  5. Step 5: Solve for x
    x = 58,773,468,699,827,376/206,871,822.10
  6. Step 6: Final answer
    x = 284,105,723.55

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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.