Home / 108,311,931.55-149,304,613.89-66,418,308.46

Finding the Fourth Proportional to 108,311,931.55, 149,304,613.89 and 66,418,308.46

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Solution

The fourth proportional to 108,311,931.55, 149,304,613.89 and 66,418,308.46 is: 91,555,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,311,931.55 : 149,304,613.89 = 66,418,308.46 : x
  2. Step 2: Convert to fraction form
    108,311,931.55/149,304,613.89 = 66,418,308.46/x
  3. Step 3: Cross multiply
    108,311,931.55x = 149,304,613.89 × 66,418,308.46
  4. Step 4: Simplify right side
    108,311,931.55x = 9,916,559,899,847,220
  5. Step 5: Solve for x
    x = 9,916,559,899,847,220/108,311,931.55
  6. Step 6: Final answer
    x = 91,555,563.25

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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.