Home / 72,497,829.88-100,046,999.66-39,458,315.91

Finding the Fourth Proportional to 72,497,829.88, 100,046,999.66 and 39,458,315.91

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Solution

The fourth proportional to 72,497,829.88, 100,046,999.66 and 39,458,315.91 is: 54,452,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497,829.88 : 100,046,999.66 = 39,458,315.91 : x
  2. Step 2: Convert to fraction form
    72,497,829.88/100,046,999.66 = 39,458,315.91/x
  3. Step 3: Cross multiply
    72,497,829.88x = 100,046,999.66 × 39,458,315.91
  4. Step 4: Simplify right side
    72,497,829.88x = 3,947,686,118,431,942
  5. Step 5: Solve for x
    x = 3,947,686,118,431,942/72,497,829.88
  6. Step 6: Final answer
    x = 54,452,472.92

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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.