Home / 90,745,604,866.92-125,239,916,181.12-51,647,659,473.88

Finding the Fourth Proportional to 90,745,604,866.92, 125,239,916,181.12 and 51,647,659,473.88

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Solution

The fourth proportional to 90,745,604,866.92, 125,239,916,181.12 and 51,647,659,473.88 is: 71,280,020,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,604,866.92 : 125,239,916,181.12 = 51,647,659,473.88 : x
  2. Step 2: Convert to fraction form
    90,745,604,866.92/125,239,916,181.12 = 51,647,659,473.88/x
  3. Step 3: Cross multiply
    90,745,604,866.92x = 125,239,916,181.12 × 51,647,659,473.88
  4. Step 4: Simplify right side
    90,745,604,866.92x = 6,468,348,543,459,758,440,448
  5. Step 5: Solve for x
    x = 6,468,348,543,459,758,440,448/90,745,604,866.92
  6. Step 6: Final answer
    x = 71,280,020,150.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.