Home / 112,781,037.36-155,645,532.60-63,888,867.12

Finding the Fourth Proportional to 112,781,037.36, 155,645,532.60 and 63,888,867.12

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Solution

The fourth proportional to 112,781,037.36, 155,645,532.60 and 63,888,867.12 is: 88,170,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,781,037.36 : 155,645,532.60 = 63,888,867.12 : x
  2. Step 2: Convert to fraction form
    112,781,037.36/155,645,532.60 = 63,888,867.12/x
  3. Step 3: Cross multiply
    112,781,037.36x = 155,645,532.60 × 63,888,867.12
  4. Step 4: Simplify right side
    112,781,037.36x = 9,944,016,750,103,028
  5. Step 5: Solve for x
    x = 9,944,016,750,103,028/112,781,037.36
  6. Step 6: Final answer
    x = 88,170,999.16

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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.