Home / 80,819,387.76-121,230,131.52-26,966,699.76

Finding the Fourth Proportional to 80,819,387.76, 121,230,131.52 and 26,966,699.76

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Solution

The fourth proportional to 80,819,387.76, 121,230,131.52 and 26,966,699.76 is: 40,450,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,819,387.76 : 121,230,131.52 = 26,966,699.76 : x
  2. Step 2: Convert to fraction form
    80,819,387.76/121,230,131.52 = 26,966,699.76/x
  3. Step 3: Cross multiply
    80,819,387.76x = 121,230,131.52 × 26,966,699.76
  4. Step 4: Simplify right side
    80,819,387.76x = 3,269,176,558,565,152.50
  5. Step 5: Solve for x
    x = 3,269,176,558,565,152.50/80,819,387.76
  6. Step 6: Final answer
    x = 40,450,399.95

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1.5x scale

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.