Home / 72,497,827.12-100,046,995.86-39,458,313.16

Finding the Fourth Proportional to 72,497,827.12, 100,046,995.86 and 39,458,313.16

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Solution

The fourth proportional to 72,497,827.12, 100,046,995.86 and 39,458,313.16 is: 54,452,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497,827.12 : 100,046,995.86 = 39,458,313.16 : x
  2. Step 2: Convert to fraction form
    72,497,827.12/100,046,995.86 = 39,458,313.16/x
  3. Step 3: Cross multiply
    72,497,827.12x = 100,046,995.86 × 39,458,313.16
  4. Step 4: Simplify right side
    72,497,827.12x = 3,947,685,693,361,103
  5. Step 5: Solve for x
    x = 3,947,685,693,361,103/72,497,827.12
  6. Step 6: Final answer
    x = 54,452,469.13

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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.