Home / 86,949,000.20-130,423,500.30-82,697,472.20

Finding the Fourth Proportional to 86,949,000.20, 130,423,500.30 and 82,697,472.20

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Solution

The fourth proportional to 86,949,000.20, 130,423,500.30 and 82,697,472.20 is: 124,046,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949,000.20 : 130,423,500.30 = 82,697,472.20 : x
  2. Step 2: Convert to fraction form
    86,949,000.20/130,423,500.30 = 82,697,472.20/x
  3. Step 3: Cross multiply
    86,949,000.20x = 130,423,500.30 × 82,697,472.20
  4. Step 4: Simplify right side
    86,949,000.20x = 10,785,693,790,285,942
  5. Step 5: Solve for x
    x = 10,785,693,790,285,942/86,949,000.20
  6. Step 6: Final answer
    x = 124,046,208.30

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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.