Home / 68,023,432.62-93,871,440.45-38,254,071.78

Finding the Fourth Proportional to 68,023,432.62, 93,871,440.45 and 38,254,071.78

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Solution

The fourth proportional to 68,023,432.62, 93,871,440.45 and 38,254,071.78 is: 52,790,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,023,432.62 : 93,871,440.45 = 38,254,071.78 : x
  2. Step 2: Convert to fraction form
    68,023,432.62/93,871,440.45 = 38,254,071.78/x
  3. Step 3: Cross multiply
    68,023,432.62x = 93,871,440.45 × 38,254,071.78
  4. Step 4: Simplify right side
    68,023,432.62x = 3,590,964,821,066,295.50
  5. Step 5: Solve for x
    x = 3,590,964,821,066,295.50/68,023,432.62
  6. Step 6: Final answer
    x = 52,790,114.86

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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.