Home / 74,842,401.75-103,282,514.42-40,503,585.75

Finding the Fourth Proportional to 74,842,401.75, 103,282,514.42 and 40,503,585.75

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Solution

The fourth proportional to 74,842,401.75, 103,282,514.42 and 40,503,585.75 is: 55,894,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842,401.75 : 103,282,514.42 = 40,503,585.75 : x
  2. Step 2: Convert to fraction form
    74,842,401.75/103,282,514.42 = 40,503,585.75/x
  3. Step 3: Cross multiply
    74,842,401.75x = 103,282,514.42 × 40,503,585.75
  4. Step 4: Simplify right side
    74,842,401.75x = 4,183,312,179,083,564
  5. Step 5: Solve for x
    x = 4,183,312,179,083,564/74,842,401.75
  6. Step 6: Final answer
    x = 55,894,948.34

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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.