Home / 77,003,707.52-115,427,838.02-48,270,021.24

Finding the Fourth Proportional to 77,003,707.52, 115,427,838.02 and 48,270,021.24

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Solution

The fourth proportional to 77,003,707.52, 115,427,838.02 and 48,270,021.24 is: 72,356,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,003,707.52 : 115,427,838.02 = 48,270,021.24 : x
  2. Step 2: Convert to fraction form
    77,003,707.52/115,427,838.02 = 48,270,021.24/x
  3. Step 3: Cross multiply
    77,003,707.52x = 115,427,838.02 × 48,270,021.24
  4. Step 4: Simplify right side
    77,003,707.52x = 5,571,704,192,912,680
  5. Step 5: Solve for x
    x = 5,571,704,192,912,680/77,003,707.52
  6. Step 6: Final answer
    x = 72,356,310.78

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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.