Home / 211,266,104.40-316,895,373.77-86,741,693.73

Finding the Fourth Proportional to 211,266,104.40, 316,895,373.77 and 86,741,693.73

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Solution

The fourth proportional to 211,266,104.40, 316,895,373.77 and 86,741,693.73 is: 130,110,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,266,104.40 : 316,895,373.77 = 86,741,693.73 : x
  2. Step 2: Convert to fraction form
    211,266,104.40/316,895,373.77 = 86,741,693.73/x
  3. Step 3: Cross multiply
    211,266,104.40x = 316,895,373.77 × 86,741,693.73
  4. Step 4: Simplify right side
    211,266,104.40x = 27,488,041,455,577,508
  5. Step 5: Solve for x
    x = 27,488,041,455,577,508/211,266,104.40
  6. Step 6: Final answer
    x = 130,110,987.44

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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.