Home / 49,520,459.82-68,290,742.34-31,861,338.78

Finding the Fourth Proportional to 49,520,459.82, 68,290,742.34 and 31,861,338.78

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Solution

The fourth proportional to 49,520,459.82, 68,290,742.34 and 31,861,338.78 is: 43,938,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520,459.82 : 68,290,742.34 = 31,861,338.78 : x
  2. Step 2: Convert to fraction form
    49,520,459.82/68,290,742.34 = 31,861,338.78/x
  3. Step 3: Cross multiply
    49,520,459.82x = 68,290,742.34 × 31,861,338.78
  4. Step 4: Simplify right side
    49,520,459.82x = 2,175,834,477,232,430.25
  5. Step 5: Solve for x
    x = 2,175,834,477,232,430.25/49,520,459.82
  6. Step 6: Final answer
    x = 43,938,091.15

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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.