Home / 72,171,212.70-108,287,923.05-41,904,947.10

Finding the Fourth Proportional to 72,171,212.70, 108,287,923.05 and 41,904,947.10

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Solution

The fourth proportional to 72,171,212.70, 108,287,923.05 and 41,904,947.10 is: 62,875,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,212.70 : 108,287,923.05 = 41,904,947.10 : x
  2. Step 2: Convert to fraction form
    72,171,212.70/108,287,923.05 = 41,904,947.10/x
  3. Step 3: Cross multiply
    72,171,212.70x = 108,287,923.05 × 41,904,947.10
  4. Step 4: Simplify right side
    72,171,212.70x = 4,537,799,686,979,121
  5. Step 5: Solve for x
    x = 4,537,799,686,979,121/72,171,212.70
  6. Step 6: Final answer
    x = 62,875,480.64

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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.