Home / 108,311,930.55-149,304,612.51-66,418,307.46

Finding the Fourth Proportional to 108,311,930.55, 149,304,612.51 and 66,418,307.46

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Solution

The fourth proportional to 108,311,930.55, 149,304,612.51 and 66,418,307.46 is: 91,555,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,311,930.55 : 149,304,612.51 = 66,418,307.46 : x
  2. Step 2: Convert to fraction form
    108,311,930.55/149,304,612.51 = 66,418,307.46/x
  3. Step 3: Cross multiply
    108,311,930.55x = 149,304,612.51 × 66,418,307.46
  4. Step 4: Simplify right side
    108,311,930.55x = 9,916,559,658,885,342
  5. Step 5: Solve for x
    x = 9,916,559,658,885,342/108,311,930.55
  6. Step 6: Final answer
    x = 91,555,561.87

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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.