Home / 65,448,458.95-90,319,146.83-36,079,147.11

Finding the Fourth Proportional to 65,448,458.95, 90,319,146.83 and 36,079,147.11

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Solution

The fourth proportional to 65,448,458.95, 90,319,146.83 and 36,079,147.11 is: 49,789,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,458.95 : 90,319,146.83 = 36,079,147.11 : x
  2. Step 2: Convert to fraction form
    65,448,458.95/90,319,146.83 = 36,079,147.11/x
  3. Step 3: Cross multiply
    65,448,458.95x = 90,319,146.83 × 36,079,147.11
  4. Step 4: Simplify right side
    65,448,458.95x = 3,258,637,784,912,022
  5. Step 5: Solve for x
    x = 3,258,637,784,912,022/65,448,458.95
  6. Step 6: Final answer
    x = 49,789,373.76

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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.