Home / 71,995,198.56-99,366,307.10-40,642,803.96

Finding the Fourth Proportional to 71,995,198.56, 99,366,307.10 and 40,642,803.96

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Solution

The fourth proportional to 71,995,198.56, 99,366,307.10 and 40,642,803.96 is: 56,094,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,995,198.56 : 99,366,307.10 = 40,642,803.96 : x
  2. Step 2: Convert to fraction form
    71,995,198.56/99,366,307.10 = 40,642,803.96/x
  3. Step 3: Cross multiply
    71,995,198.56x = 99,366,307.10 × 40,642,803.96
  4. Step 4: Simplify right side
    71,995,198.56x = 4,038,525,339,694,456
  5. Step 5: Solve for x
    x = 4,038,525,339,694,456/71,995,198.56
  6. Step 6: Final answer
    x = 56,094,370.46

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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.