Home / 85,017,301.66-117,294,515.04-51,537,515.18

Finding the Fourth Proportional to 85,017,301.66, 117,294,515.04 and 51,537,515.18

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Solution

The fourth proportional to 85,017,301.66, 117,294,515.04 and 51,537,515.18 is: 71,103,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,017,301.66 : 117,294,515.04 = 51,537,515.18 : x
  2. Step 2: Convert to fraction form
    85,017,301.66/117,294,515.04 = 51,537,515.18/x
  3. Step 3: Cross multiply
    85,017,301.66x = 117,294,515.04 × 51,537,515.18
  4. Step 4: Simplify right side
    85,017,301.66x = 6,045,067,849,404,739
  5. Step 5: Solve for x
    x = 6,045,067,849,404,739/85,017,301.66
  6. Step 6: Final answer
    x = 71,103,972.15

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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.