Home / 70,078,902.62-96,705,958.71-40,307,287.11

Finding the Fourth Proportional to 70,078,902.62, 96,705,958.71 and 40,307,287.11

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Solution

The fourth proportional to 70,078,902.62, 96,705,958.71 and 40,307,287.11 is: 55,622,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,078,902.62 : 96,705,958.71 = 40,307,287.11 : x
  2. Step 2: Convert to fraction form
    70,078,902.62/96,705,958.71 = 40,307,287.11/x
  3. Step 3: Cross multiply
    70,078,902.62x = 96,705,958.71 × 40,307,287.11
  4. Step 4: Simplify right side
    70,078,902.62x = 3,897,954,842,971,775
  5. Step 5: Solve for x
    x = 3,897,954,842,971,775/70,078,902.62
  6. Step 6: Final answer
    x = 55,622,372.75

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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.