Home / 57,118,715.16-85,690,364.05-17,726,190.78

Finding the Fourth Proportional to 57,118,715.16, 85,690,364.05 and 17,726,190.78

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Solution

The fourth proportional to 57,118,715.16, 85,690,364.05 and 17,726,190.78 is: 26,593,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118,715.16 : 85,690,364.05 = 17,726,190.78 : x
  2. Step 2: Convert to fraction form
    57,118,715.16/85,690,364.05 = 17,726,190.78/x
  3. Step 3: Cross multiply
    57,118,715.16x = 85,690,364.05 × 17,726,190.78
  4. Step 4: Simplify right side
    57,118,715.16x = 1,518,963,741,501,450
  5. Step 5: Solve for x
    x = 1,518,963,741,501,450/57,118,715.16
  6. Step 6: Final answer
    x = 26,593,100.65

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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.