Home / 90,745,604,864.91-125,239,916,178.36-51,647,659,471.89

Finding the Fourth Proportional to 90,745,604,864.91, 125,239,916,178.36 and 51,647,659,471.89

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Solution

The fourth proportional to 90,745,604,864.91, 125,239,916,178.36 and 51,647,659,471.89 is: 71,280,020,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,604,864.91 : 125,239,916,178.36 = 51,647,659,471.89 : x
  2. Step 2: Convert to fraction form
    90,745,604,864.91/125,239,916,178.36 = 51,647,659,471.89/x
  3. Step 3: Cross multiply
    90,745,604,864.91x = 125,239,916,178.36 × 51,647,659,471.89
  4. Step 4: Simplify right side
    90,745,604,864.91x = 6,468,348,543,067,984,232,448
  5. Step 5: Solve for x
    x = 6,468,348,543,067,984,232,448/90,745,604,864.91
  6. Step 6: Final answer
    x = 71,280,020,147.50

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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.