Home / 81,434,404.80-122,169,321.90-26,837,699.40

Finding the Fourth Proportional to 81,434,404.80, 122,169,321.90 and 26,837,699.40

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Solution

The fourth proportional to 81,434,404.80, 122,169,321.90 and 26,837,699.40 is: 40,262,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,434,404.80 : 122,169,321.90 = 26,837,699.40 : x
  2. Step 2: Convert to fraction form
    81,434,404.80/122,169,321.90 = 26,837,699.40/x
  3. Step 3: Cross multiply
    81,434,404.80x = 122,169,321.90 × 26,837,699.40
  4. Step 4: Simplify right side
    81,434,404.80x = 3,278,743,537,054,037
  5. Step 5: Solve for x
    x = 3,278,743,537,054,037/81,434,404.80
  6. Step 6: Final answer
    x = 40,262,387.20

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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.