Home / 131,761,039.80-181,830,252.16-73,027,496.78

Finding the Fourth Proportional to 131,761,039.80, 181,830,252.16 and 73,027,496.78

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Solution

The fourth proportional to 131,761,039.80, 181,830,252.16 and 73,027,496.78 is: 100,777,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,761,039.80 : 181,830,252.16 = 73,027,496.78 : x
  2. Step 2: Convert to fraction form
    131,761,039.80/181,830,252.16 = 73,027,496.78/x
  3. Step 3: Cross multiply
    131,761,039.80x = 181,830,252.16 × 73,027,496.78
  4. Step 4: Simplify right side
    131,761,039.80x = 13,278,608,155,007,960
  5. Step 5: Solve for x
    x = 13,278,608,155,007,960/131,761,039.80
  6. Step 6: Final answer
    x = 100,777,955.11

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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.