Home / 77,003,707.02-115,427,837.27-48,270,020.75

Finding the Fourth Proportional to 77,003,707.02, 115,427,837.27 and 48,270,020.75

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Solution

The fourth proportional to 77,003,707.02, 115,427,837.27 and 48,270,020.75 is: 72,356,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003,707.02 : 115,427,837.27 = 48,270,020.75 : x
  2. Step 2: Convert to fraction form
    77,003,707.02/115,427,837.27 = 48,270,020.75/x
  3. Step 3: Cross multiply
    77,003,707.02x = 115,427,837.27 × 48,270,020.75
  4. Step 4: Simplify right side
    77,003,707.02x = 5,571,704,099,332,034
  5. Step 5: Solve for x
    x = 5,571,704,099,332,034/77,003,707.02
  6. Step 6: Final answer
    x = 72,356,310.04

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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.