Home / 42,770,680.80-64,156,021.20-40,251,256.80

Finding the Fourth Proportional to 42,770,680.80, 64,156,021.20 and 40,251,256.80

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Solution

The fourth proportional to 42,770,680.80, 64,156,021.20 and 40,251,256.80 is: 60,376,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,770,680.80 : 64,156,021.20 = 40,251,256.80 : x
  2. Step 2: Convert to fraction form
    42,770,680.80/64,156,021.20 = 40,251,256.80/x
  3. Step 3: Cross multiply
    42,770,680.80x = 64,156,021.20 × 40,251,256.80
  4. Step 4: Simplify right side
    42,770,680.80x = 2,582,360,484,587,444
  5. Step 5: Solve for x
    x = 2,582,360,484,587,444/42,770,680.80
  6. Step 6: Final answer
    x = 60,376,885.20

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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.