Home / 81,434,191.80-122,169,002.40-26,837,486.40

Finding the Fourth Proportional to 81,434,191.80, 122,169,002.40 and 26,837,486.40

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Solution

The fourth proportional to 81,434,191.80, 122,169,002.40 and 26,837,486.40 is: 40,262,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,434,191.80 : 122,169,002.40 = 26,837,486.40 : x
  2. Step 2: Convert to fraction form
    81,434,191.80/122,169,002.40 = 26,837,486.40/x
  3. Step 3: Cross multiply
    81,434,191.80x = 122,169,002.40 × 26,837,486.40
  4. Step 4: Simplify right side
    81,434,191.80x = 3,278,708,940,411,567.50
  5. Step 5: Solve for x
    x = 3,278,708,940,411,567.50/81,434,191.80
  6. Step 6: Final answer
    x = 40,262,067.66

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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.