Home / 100,561,462.74-150,760,829.34-31,438,703.34

Finding the Fourth Proportional to 100,561,462.74, 150,760,829.34 and 31,438,703.34

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Solution

The fourth proportional to 100,561,462.74, 150,760,829.34 and 31,438,703.34 is: 47,132,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,561,462.74 : 150,760,829.34 = 31,438,703.34 : x
  2. Step 2: Convert to fraction form
    100,561,462.74/150,760,829.34 = 31,438,703.34/x
  3. Step 3: Cross multiply
    100,561,462.74x = 150,760,829.34 × 31,438,703.34
  4. Step 4: Simplify right side
    100,561,462.74x = 4,739,724,988,912,628
  5. Step 5: Solve for x
    x = 4,739,724,988,912,628/100,561,462.74
  6. Step 6: Final answer
    x = 47,132,617.80

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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.