Home / 266,654,597.49-399,700,527.75-143,799,478.83

Finding the Fourth Proportional to 266,654,597.49, 399,700,527.75 and 143,799,478.83

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Solution

The fourth proportional to 266,654,597.49, 399,700,527.75 and 143,799,478.83 is: 215,547,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,654,597.49 : 399,700,527.75 = 143,799,478.83 : x
  2. Step 2: Convert to fraction form
    266,654,597.49/399,700,527.75 = 143,799,478.83/x
  3. Step 3: Cross multiply
    266,654,597.49x = 399,700,527.75 × 143,799,478.83
  4. Step 4: Simplify right side
    266,654,597.49x = 57,476,727,578,525,960
  5. Step 5: Solve for x
    x = 57,476,727,578,525,960/266,654,597.49
  6. Step 6: Final answer
    x = 215,547,483.97

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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.