Home / 77,894,199.81-116,832,664.41-19,601,893.56

Finding the Fourth Proportional to 77,894,199.81, 116,832,664.41 and 19,601,893.56

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Solution

The fourth proportional to 77,894,199.81, 116,832,664.41 and 19,601,893.56 is: 29,400,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,894,199.81 : 116,832,664.41 = 19,601,893.56 : x
  2. Step 2: Convert to fraction form
    77,894,199.81/116,832,664.41 = 19,601,893.56/x
  3. Step 3: Cross multiply
    77,894,199.81x = 116,832,664.41 × 19,601,893.56
  4. Step 4: Simplify right side
    77,894,199.81x = 2,290,141,452,096,020
  5. Step 5: Solve for x
    x = 2,290,141,452,096,020/77,894,199.81
  6. Step 6: Final answer
    x = 29,400,667.29

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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.