Home / 74,700,034.32-103,086,047.56-40,361,218.32

Finding the Fourth Proportional to 74,700,034.32, 103,086,047.56 and 40,361,218.32

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Solution

The fourth proportional to 74,700,034.32, 103,086,047.56 and 40,361,218.32 is: 55,698,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,700,034.32 : 103,086,047.56 = 40,361,218.32 : x
  2. Step 2: Convert to fraction form
    74,700,034.32/103,086,047.56 = 40,361,218.32/x
  3. Step 3: Cross multiply
    74,700,034.32x = 103,086,047.56 × 40,361,218.32
  4. Step 4: Simplify right side
    74,700,034.32x = 4,160,678,471,315,063.50
  5. Step 5: Solve for x
    x = 4,160,678,471,315,063.50/74,700,034.32
  6. Step 6: Final answer
    x = 55,698,481.39

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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.