Home / 74,478,414.20-102,768,100.38-41,437,814.36

Finding the Fourth Proportional to 74,478,414.20, 102,768,100.38 and 41,437,814.36

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Solution

The fourth proportional to 74,478,414.20, 102,768,100.38 and 41,437,814.36 is: 57,177,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,478,414.20 : 102,768,100.38 = 41,437,814.36 : x
  2. Step 2: Convert to fraction form
    74,478,414.20/102,768,100.38 = 41,437,814.36/x
  3. Step 3: Cross multiply
    74,478,414.20x = 102,768,100.38 × 41,437,814.36
  4. Step 4: Simplify right side
    74,478,414.20x = 4,258,485,465,162,444.50
  5. Step 5: Solve for x
    x = 4,258,485,465,162,444.50/74,478,414.20
  6. Step 6: Final answer
    x = 57,177,445.45

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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.