Home / 89,512,148.61-134,290,568.70-31,220,664.30

Finding the Fourth Proportional to 89,512,148.61, 134,290,568.70 and 31,220,664.30

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Solution

The fourth proportional to 89,512,148.61, 134,290,568.70 and 31,220,664.30 is: 46,838,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512,148.61 : 134,290,568.70 = 31,220,664.30 : x
  2. Step 2: Convert to fraction form
    89,512,148.61/134,290,568.70 = 31,220,664.30/x
  3. Step 3: Cross multiply
    89,512,148.61x = 134,290,568.70 × 31,220,664.30
  4. Step 4: Simplify right side
    89,512,148.61x = 4,192,640,764,038,787
  5. Step 5: Solve for x
    x = 4,192,640,764,038,787/89,512,148.61
  6. Step 6: Final answer
    x = 46,838,790.37

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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.