Home / 266,320,266.50-399,480,399.75-74,844,042.50

Finding the Fourth Proportional to 266,320,266.50, 399,480,399.75 and 74,844,042.50

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Solution

The fourth proportional to 266,320,266.50, 399,480,399.75 and 74,844,042.50 is: 112,266,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,320,266.50 : 399,480,399.75 = 74,844,042.50 : x
  2. Step 2: Convert to fraction form
    266,320,266.50/399,480,399.75 = 74,844,042.50/x
  3. Step 3: Cross multiply
    266,320,266.50x = 399,480,399.75 × 74,844,042.50
  4. Step 4: Simplify right side
    266,320,266.50x = 29,898,728,016,805,988
  5. Step 5: Solve for x
    x = 29,898,728,016,805,988/266,320,266.50
  6. Step 6: Final answer
    x = 112,266,063.75

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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.