Home / 62,155,678.72-85,781,107.20-36,058,178.56

Finding the Fourth Proportional to 62,155,678.72, 85,781,107.20 and 36,058,178.56

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Solution

The fourth proportional to 62,155,678.72, 85,781,107.20 and 36,058,178.56 is: 49,763,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,155,678.72 : 85,781,107.20 = 36,058,178.56 : x
  2. Step 2: Convert to fraction form
    62,155,678.72/85,781,107.20 = 36,058,178.56/x
  3. Step 3: Cross multiply
    62,155,678.72x = 85,781,107.20 × 36,058,178.56
  4. Step 4: Simplify right side
    62,155,678.72x = 3,093,110,480,492,102
  5. Step 5: Solve for x
    x = 3,093,110,480,492,102/62,155,678.72
  6. Step 6: Final answer
    x = 49,763,924.14

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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.