Home / 67,451,500-93,095,680.08-38,478,124

Finding the Fourth Proportional to 67,451,500, 93,095,680.08 and 38,478,124

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Solution

The fourth proportional to 67,451,500, 93,095,680.08 and 38,478,124 is: 53,107,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,451,500 : 93,095,680.08 = 38,478,124 : x
  2. Step 2: Convert to fraction form
    67,451,500/93,095,680.08 = 38,478,124/x
  3. Step 3: Cross multiply
    67,451,500x = 93,095,680.08 × 38,478,124
  4. Step 4: Simplify right side
    67,451,500x = 3,582,147,121,982,570
  5. Step 5: Solve for x
    x = 3,582,147,121,982,570/67,451,500
  6. Step 6: Final answer
    x = 53,107,004.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.