Home / 261,044,090.29-391,560,447.36-122,793,066.91

Finding the Fourth Proportional to 261,044,090.29, 391,560,447.36 and 122,793,066.91

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Solution

The fourth proportional to 261,044,090.29, 391,560,447.36 and 122,793,066.91 is: 184,186,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,044,090.29 : 391,560,447.36 = 122,793,066.91 : x
  2. Step 2: Convert to fraction form
    261,044,090.29/391,560,447.36 = 122,793,066.91/x
  3. Step 3: Cross multiply
    261,044,090.29x = 391,560,447.36 × 122,793,066.91
  4. Step 4: Simplify right side
    261,044,090.29x = 48,080,908,211,986,016
  5. Step 5: Solve for x
    x = 48,080,908,211,986,016/261,044,090.29
  6. Step 6: Final answer
    x = 184,186,924.74

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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.