Home / 77,003,706.52-115,427,836.51-48,270,020.25

Finding the Fourth Proportional to 77,003,706.52, 115,427,836.51 and 48,270,020.25

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Solution

The fourth proportional to 77,003,706.52, 115,427,836.51 and 48,270,020.25 is: 72,356,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003,706.52 : 115,427,836.51 = 48,270,020.25 : x
  2. Step 2: Convert to fraction form
    77,003,706.52/115,427,836.51 = 48,270,020.25/x
  3. Step 3: Cross multiply
    77,003,706.52x = 115,427,836.51 × 48,270,020.25
  4. Step 4: Simplify right side
    77,003,706.52x = 5,571,704,005,751,390
  5. Step 5: Solve for x
    x = 5,571,704,005,751,390/77,003,706.52
  6. Step 6: Final answer
    x = 72,356,309.29

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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.