Home / 65,123,312.78-97,664,229.56-21,393,920.76

Finding the Fourth Proportional to 65,123,312.78, 97,664,229.56 and 21,393,920.76

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Solution

The fourth proportional to 65,123,312.78, 97,664,229.56 and 21,393,920.76 is: 32,084,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123,312.78 : 97,664,229.56 = 21,393,920.76 : x
  2. Step 2: Convert to fraction form
    65,123,312.78/97,664,229.56 = 21,393,920.76/x
  3. Step 3: Cross multiply
    65,123,312.78x = 97,664,229.56 × 21,393,920.76
  4. Step 4: Simplify right side
    65,123,312.78x = 2,089,420,788,346,574.75
  5. Step 5: Solve for x
    x = 2,089,420,788,346,574.75/65,123,312.78
  6. Step 6: Final answer
    x = 32,084,067.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.