Home / 85,132,581.32-117,482,961.74-45,974,355.44

Finding the Fourth Proportional to 85,132,581.32, 117,482,961.74 and 45,974,355.44

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Solution

The fourth proportional to 85,132,581.32, 117,482,961.74 and 45,974,355.44 is: 63,444,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132,581.32 : 117,482,961.74 = 45,974,355.44 : x
  2. Step 2: Convert to fraction form
    85,132,581.32/117,482,961.74 = 45,974,355.44/x
  3. Step 3: Cross multiply
    85,132,581.32x = 117,482,961.74 × 45,974,355.44
  4. Step 4: Simplify right side
    85,132,581.32x = 5,401,203,440,361,395
  5. Step 5: Solve for x
    x = 5,401,203,440,361,395/85,132,581.32
  6. Step 6: Final answer
    x = 63,444,610.24

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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.