Home / 89,861,329,793.63-124,012,533,234.93-49,763,309,182.13

Finding the Fourth Proportional to 89,861,329,793.63, 124,012,533,234.93 and 49,763,309,182.13

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Solution

The fourth proportional to 89,861,329,793.63, 124,012,533,234.93 and 49,763,309,182.13 is: 68,675,525,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,793.63 : 124,012,533,234.93 = 49,763,309,182.13 : x
  2. Step 2: Convert to fraction form
    89,861,329,793.63/124,012,533,234.93 = 49,763,309,182.13/x
  3. Step 3: Cross multiply
    89,861,329,793.63x = 124,012,533,234.93 × 49,763,309,182.13
  4. Step 4: Simplify right side
    89,861,329,793.63x = 6,171,274,033,828,993,171,456
  5. Step 5: Solve for x
    x = 6,171,274,033,828,993,171,456/89,861,329,793.63
  6. Step 6: Final answer
    x = 68,675,525,367.83

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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.