Home / 266,654,599.50-399,700,530.74-143,799,480.84

Finding the Fourth Proportional to 266,654,599.50, 399,700,530.74 and 143,799,480.84

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Solution

The fourth proportional to 266,654,599.50, 399,700,530.74 and 143,799,480.84 is: 215,547,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,654,599.50 : 399,700,530.74 = 143,799,480.84 : x
  2. Step 2: Convert to fraction form
    266,654,599.50/399,700,530.74 = 143,799,480.84/x
  3. Step 3: Cross multiply
    266,654,599.50x = 399,700,530.74 × 143,799,480.84
  4. Step 4: Simplify right side
    266,654,599.50x = 57,476,728,811,884,464
  5. Step 5: Solve for x
    x = 57,476,728,811,884,464/266,654,599.50
  6. Step 6: Final answer
    x = 215,547,486.97

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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.