Home / 88,690,032.70-133,035,049.05-73,760,112.70

Finding the Fourth Proportional to 88,690,032.70, 133,035,049.05 and 73,760,112.70

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Solution

The fourth proportional to 88,690,032.70, 133,035,049.05 and 73,760,112.70 is: 110,640,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690,032.70 : 133,035,049.05 = 73,760,112.70 : x
  2. Step 2: Convert to fraction form
    88,690,032.70/133,035,049.05 = 73,760,112.70/x
  3. Step 3: Cross multiply
    88,690,032.70x = 133,035,049.05 × 73,760,112.70
  4. Step 4: Simplify right side
    88,690,032.70x = 9,812,680,210,978,028
  5. Step 5: Solve for x
    x = 9,812,680,210,978,028/88,690,032.70
  6. Step 6: Final answer
    x = 110,640,169.05

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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.