Home / 147,738,815.18-203,876,008.76-80,754,767.50

Finding the Fourth Proportional to 147,738,815.18, 203,876,008.76 and 80,754,767.50

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Solution

The fourth proportional to 147,738,815.18, 203,876,008.76 and 80,754,767.50 is: 111,439,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738,815.18 : 203,876,008.76 = 80,754,767.50 : x
  2. Step 2: Convert to fraction form
    147,738,815.18/203,876,008.76 = 80,754,767.50/x
  3. Step 3: Cross multiply
    147,738,815.18x = 203,876,008.76 × 80,754,767.50
  4. Step 4: Simplify right side
    147,738,815.18x = 16,463,959,686,241,762
  5. Step 5: Solve for x
    x = 16,463,959,686,241,762/147,738,815.18
  6. Step 6: Final answer
    x = 111,439,635.32

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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.