Home / 89,140,121.67-122,968,095.24-58,218,391.11

Finding the Fourth Proportional to 89,140,121.67, 122,968,095.24 and 58,218,391.11

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Solution

The fourth proportional to 89,140,121.67, 122,968,095.24 and 58,218,391.11 is: 80,311,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140,121.67 : 122,968,095.24 = 58,218,391.11 : x
  2. Step 2: Convert to fraction form
    89,140,121.67/122,968,095.24 = 58,218,391.11/x
  3. Step 3: Cross multiply
    89,140,121.67x = 122,968,095.24 × 58,218,391.11
  4. Step 4: Simplify right side
    89,140,121.67x = 7,159,004,662,734,049
  5. Step 5: Solve for x
    x = 7,159,004,662,734,049/89,140,121.67
  6. Step 6: Final answer
    x = 80,311,811.66

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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.