Home / 74,025,863.70-102,158,884.86-40,986,113.56

Finding the Fourth Proportional to 74,025,863.70, 102,158,884.86 and 40,986,113.56

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Solution

The fourth proportional to 74,025,863.70, 102,158,884.86 and 40,986,113.56 is: 56,562,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025,863.70 : 102,158,884.86 = 40,986,113.56 : x
  2. Step 2: Convert to fraction form
    74,025,863.70/102,158,884.86 = 40,986,113.56/x
  3. Step 3: Cross multiply
    74,025,863.70x = 102,158,884.86 × 40,986,113.56
  4. Step 4: Simplify right side
    74,025,863.70x = 4,187,095,656,034,925
  5. Step 5: Solve for x
    x = 4,187,095,656,034,925/74,025,863.70
  6. Step 6: Final answer
    x = 56,562,604.56

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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.