Home / 85,236,348.49-117,623,297.03-53,891,269.40

Finding the Fourth Proportional to 85,236,348.49, 117,623,297.03 and 53,891,269.40

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Solution

The fourth proportional to 85,236,348.49, 117,623,297.03 and 53,891,269.40 is: 74,368,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236,348.49 : 117,623,297.03 = 53,891,269.40 : x
  2. Step 2: Convert to fraction form
    85,236,348.49/117,623,297.03 = 53,891,269.40/x
  3. Step 3: Cross multiply
    85,236,348.49x = 117,623,297.03 × 53,891,269.40
  4. Step 4: Simplify right side
    85,236,348.49x = 6,338,868,787,984,553
  5. Step 5: Solve for x
    x = 6,338,868,787,984,553/85,236,348.49
  6. Step 6: Final answer
    x = 74,368,141.06

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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.