Home / 71,108,780.16-98,138,092.34-40,170,942.35

Finding the Fourth Proportional to 71,108,780.16, 98,138,092.34 and 40,170,942.35

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Solution

The fourth proportional to 71,108,780.16, 98,138,092.34 and 40,170,942.35 is: 55,440,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,108,780.16 : 98,138,092.34 = 40,170,942.35 : x
  2. Step 2: Convert to fraction form
    71,108,780.16/98,138,092.34 = 40,170,942.35/x
  3. Step 3: Cross multiply
    71,108,780.16x = 98,138,092.34 × 40,170,942.35
  4. Step 4: Simplify right side
    71,108,780.16x = 3,942,299,649,037,571
  5. Step 5: Solve for x
    x = 3,942,299,649,037,571/71,108,780.16
  6. Step 6: Final answer
    x = 55,440,406.10

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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.