Home / 193,817,539.44-290,691,790.11-77,223,123.81

Finding the Fourth Proportional to 193,817,539.44, 290,691,790.11 and 77,223,123.81

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Solution

The fourth proportional to 193,817,539.44, 290,691,790.11 and 77,223,123.81 is: 115,820,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,817,539.44 : 290,691,790.11 = 77,223,123.81 : x
  2. Step 2: Convert to fraction form
    193,817,539.44/290,691,790.11 = 77,223,123.81/x
  3. Step 3: Cross multiply
    193,817,539.44x = 290,691,790.11 × 77,223,123.81
  4. Step 4: Simplify right side
    193,817,539.44x = 22,448,128,098,215,064
  5. Step 5: Solve for x
    x = 22,448,128,098,215,064/193,817,539.44
  6. Step 6: Final answer
    x = 115,820,932.22

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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.