Home / 71,445,422.46-98,650,219.32-54,899,466.18

Finding the Fourth Proportional to 71,445,422.46, 98,650,219.32 and 54,899,466.18

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Solution

The fourth proportional to 71,445,422.46, 98,650,219.32 and 54,899,466.18 is: 75,803,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,445,422.46 : 98,650,219.32 = 54,899,466.18 : x
  2. Step 2: Convert to fraction form
    71,445,422.46/98,650,219.32 = 54,899,466.18/x
  3. Step 3: Cross multiply
    71,445,422.46x = 98,650,219.32 × 54,899,466.18
  4. Step 4: Simplify right side
    71,445,422.46x = 5,415,844,379,207,922
  5. Step 5: Solve for x
    x = 5,415,844,379,207,922/71,445,422.46
  6. Step 6: Final answer
    x = 75,803,938.07

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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.