Home / 65,881,165.92-90,916,017.43-36,514,394.38

Finding the Fourth Proportional to 65,881,165.92, 90,916,017.43 and 36,514,394.38

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Solution

The fourth proportional to 65,881,165.92, 90,916,017.43 and 36,514,394.38 is: 50,389,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,881,165.92 : 90,916,017.43 = 36,514,394.38 : x
  2. Step 2: Convert to fraction form
    65,881,165.92/90,916,017.43 = 36,514,394.38/x
  3. Step 3: Cross multiply
    65,881,165.92x = 90,916,017.43 × 36,514,394.38
  4. Step 4: Simplify right side
    65,881,165.92x = 3,319,743,315,897,974.50
  5. Step 5: Solve for x
    x = 3,319,743,315,897,974.50/65,881,165.92
  6. Step 6: Final answer
    x = 50,389,868.93

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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.