Home / 65,448,873.46-90,319,719.12-36,079,561.36

Finding the Fourth Proportional to 65,448,873.46, 90,319,719.12 and 36,079,561.36

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Solution

The fourth proportional to 65,448,873.46, 90,319,719.12 and 36,079,561.36 is: 49,789,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,873.46 : 90,319,719.12 = 36,079,561.36 : x
  2. Step 2: Convert to fraction form
    65,448,873.46/90,319,719.12 = 36,079,561.36/x
  3. Step 3: Cross multiply
    65,448,873.46x = 90,319,719.12 × 36,079,561.36
  4. Step 4: Simplify right side
    65,448,873.46x = 3,258,695,848,008,005.50
  5. Step 5: Solve for x
    x = 3,258,695,848,008,005.50/65,448,873.46
  6. Step 6: Final answer
    x = 49,789,945.58

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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.