Home / 100,561,511.76-150,760,903.08-31,438,752.36

Finding the Fourth Proportional to 100,561,511.76, 150,760,903.08 and 31,438,752.36

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Solution

The fourth proportional to 100,561,511.76, 150,760,903.08 and 31,438,752.36 is: 47,132,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,561,511.76 : 150,760,903.08 = 31,438,752.36 : x
  2. Step 2: Convert to fraction form
    100,561,511.76/150,760,903.08 = 31,438,752.36/x
  3. Step 3: Cross multiply
    100,561,511.76x = 150,760,903.08 × 31,438,752.36
  4. Step 4: Simplify right side
    100,561,511.76x = 4,739,734,697,502,082
  5. Step 5: Solve for x
    x = 4,739,734,697,502,082/100,561,511.76
  6. Step 6: Final answer
    x = 47,132,691.37

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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.