Home / 66,278,088.54-99,383,884.74-38,620,964.16

Finding the Fourth Proportional to 66,278,088.54, 99,383,884.74 and 38,620,964.16

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Solution

The fourth proportional to 66,278,088.54, 99,383,884.74 and 38,620,964.16 is: 57,912,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278,088.54 : 99,383,884.74 = 38,620,964.16 : x
  2. Step 2: Convert to fraction form
    66,278,088.54/99,383,884.74 = 38,620,964.16/x
  3. Step 3: Cross multiply
    66,278,088.54x = 99,383,884.74 × 38,620,964.16
  4. Step 4: Simplify right side
    66,278,088.54x = 3,838,301,450,625,110.50
  5. Step 5: Solve for x
    x = 3,838,301,450,625,110.50/66,278,088.54
  6. Step 6: Final answer
    x = 57,912,072.23

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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.