Home / 88,690,143.20-133,035,214.80-73,760,223.20

Finding the Fourth Proportional to 88,690,143.20, 133,035,214.80 and 73,760,223.20

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Solution

The fourth proportional to 88,690,143.20, 133,035,214.80 and 73,760,223.20 is: 110,640,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690,143.20 : 133,035,214.80 = 73,760,223.20 : x
  2. Step 2: Convert to fraction form
    88,690,143.20/133,035,214.80 = 73,760,223.20/x
  3. Step 3: Cross multiply
    88,690,143.20x = 133,035,214.80 × 73,760,223.20
  4. Step 4: Simplify right side
    88,690,143.20x = 9,812,707,137,107,944
  5. Step 5: Solve for x
    x = 9,812,707,137,107,944/88,690,143.20
  6. Step 6: Final answer
    x = 110,640,334.80

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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.