Home / 144,220,840.38-199,034,524.47-81,475,176.18

Finding the Fourth Proportional to 144,220,840.38, 199,034,524.47 and 81,475,176.18

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Solution

The fourth proportional to 144,220,840.38, 199,034,524.47 and 81,475,176.18 is: 112,441,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,220,840.38 : 199,034,524.47 = 81,475,176.18 : x
  2. Step 2: Convert to fraction form
    144,220,840.38/199,034,524.47 = 81,475,176.18/x
  3. Step 3: Cross multiply
    144,220,840.38x = 199,034,524.47 × 81,475,176.18
  4. Step 4: Simplify right side
    144,220,840.38x = 16,216,372,947,095,772
  5. Step 5: Solve for x
    x = 16,216,372,947,095,772/144,220,840.38
  6. Step 6: Final answer
    x = 112,441,259.56

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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.