Home / 74,117,520.44-102,222,538.78-65,157,472.72

Finding the Fourth Proportional to 74,117,520.44, 102,222,538.78 and 65,157,472.72

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Solution

The fourth proportional to 74,117,520.44, 102,222,538.78 and 65,157,472.72 is: 89,864,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117,520.44 : 102,222,538.78 = 65,157,472.72 : x
  2. Step 2: Convert to fraction form
    74,117,520.44/102,222,538.78 = 65,157,472.72/x
  3. Step 3: Cross multiply
    74,117,520.44x = 102,222,538.78 × 65,157,472.72
  4. Step 4: Simplify right side
    74,117,520.44x = 6,660,562,281,926,992
  5. Step 5: Solve for x
    x = 6,660,562,281,926,992/74,117,520.44
  6. Step 6: Final answer
    x = 89,864,882.72

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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.