Home / 86,547,040.20-129,820,560.30-25,962,766.20

Finding the Fourth Proportional to 86,547,040.20, 129,820,560.30 and 25,962,766.20

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Solution

The fourth proportional to 86,547,040.20, 129,820,560.30 and 25,962,766.20 is: 38,944,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,547,040.20 : 129,820,560.30 = 25,962,766.20 : x
  2. Step 2: Convert to fraction form
    86,547,040.20/129,820,560.30 = 25,962,766.20/x
  3. Step 3: Cross multiply
    86,547,040.20x = 129,820,560.30 × 25,962,766.20
  4. Step 4: Simplify right side
    86,547,040.20x = 3,370,500,855,021,901.50
  5. Step 5: Solve for x
    x = 3,370,500,855,021,901.50/86,547,040.20
  6. Step 6: Final answer
    x = 38,944,149.30

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Double scale
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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.