Home / 99,403,586.80-149,016,733.80-38,805,218.80

Finding the Fourth Proportional to 99,403,586.80, 149,016,733.80 and 38,805,218.80

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Solution

The fourth proportional to 99,403,586.80, 149,016,733.80 and 38,805,218.80 is: 58,173,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403,586.80 : 149,016,733.80 = 38,805,218.80 : x
  2. Step 2: Convert to fraction form
    99,403,586.80/149,016,733.80 = 38,805,218.80/x
  3. Step 3: Cross multiply
    99,403,586.80x = 149,016,733.80 × 38,805,218.80
  4. Step 4: Simplify right side
    99,403,586.80x = 5,782,626,959,970,355
  5. Step 5: Solve for x
    x = 5,782,626,959,970,355/99,403,586.80
  6. Step 6: Final answer
    x = 58,173,222.38

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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.