Home / 74,940,666.56-103,361,060.64-64,504,445.12

Finding the Fourth Proportional to 74,940,666.56, 103,361,060.64 and 64,504,445.12

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Solution

The fourth proportional to 74,940,666.56, 103,361,060.64 and 64,504,445.12 is: 88,967,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,940,666.56 : 103,361,060.64 = 64,504,445.12 : x
  2. Step 2: Convert to fraction form
    74,940,666.56/103,361,060.64 = 64,504,445.12/x
  3. Step 3: Cross multiply
    74,940,666.56x = 103,361,060.64 × 64,504,445.12
  4. Step 4: Simplify right side
    74,940,666.56x = 6,667,247,863,597,872
  5. Step 5: Solve for x
    x = 6,667,247,863,597,872/74,940,666.56
  6. Step 6: Final answer
    x = 88,967,021.11

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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.