Home / 65,881,165.80-90,916,017.26-36,514,394.26

Finding the Fourth Proportional to 65,881,165.80, 90,916,017.26 and 36,514,394.26

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Solution

The fourth proportional to 65,881,165.80, 90,916,017.26 and 36,514,394.26 is: 50,389,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,881,165.80 : 90,916,017.26 = 36,514,394.26 : x
  2. Step 2: Convert to fraction form
    65,881,165.80/90,916,017.26 = 36,514,394.26/x
  3. Step 3: Cross multiply
    65,881,165.80x = 90,916,017.26 × 36,514,394.26
  4. Step 4: Simplify right side
    65,881,165.80x = 3,319,743,298,934,398
  5. Step 5: Solve for x
    x = 3,319,743,298,934,398/65,881,165.80
  6. Step 6: Final answer
    x = 50,389,868.77

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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.