Home / 74,886,657.20-112,162,024.20-61,449,729.20

Finding the Fourth Proportional to 74,886,657.20, 112,162,024.20 and 61,449,729.20

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Solution

The fourth proportional to 74,886,657.20, 112,162,024.20 and 61,449,729.20 is: 92,036,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,657.20 : 112,162,024.20 = 61,449,729.20 : x
  2. Step 2: Convert to fraction form
    74,886,657.20/112,162,024.20 = 61,449,729.20/x
  3. Step 3: Cross multiply
    74,886,657.20x = 112,162,024.20 × 61,449,729.20
  4. Step 4: Simplify right side
    74,886,657.20x = 6,892,326,013,613,847
  5. Step 5: Solve for x
    x = 6,892,326,013,613,847/74,886,657.20
  6. Step 6: Final answer
    x = 92,036,769.58

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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.