Home / 91,037,289.40-136,555,934.10-82,746,809.80

Finding the Fourth Proportional to 91,037,289.40, 136,555,934.10 and 82,746,809.80

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Solution

The fourth proportional to 91,037,289.40, 136,555,934.10 and 82,746,809.80 is: 124,120,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,037,289.40 : 136,555,934.10 = 82,746,809.80 : x
  2. Step 2: Convert to fraction form
    91,037,289.40/136,555,934.10 = 82,746,809.80/x
  3. Step 3: Cross multiply
    91,037,289.40x = 136,555,934.10 × 82,746,809.80
  4. Step 4: Simplify right side
    91,037,289.40x = 11,299,567,906,034,034
  5. Step 5: Solve for x
    x = 11,299,567,906,034,034/91,037,289.40
  6. Step 6: Final answer
    x = 124,120,214.70

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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.