Home / 66,142,473.36-99,207,294.84-20,084,741.16

Finding the Fourth Proportional to 66,142,473.36, 99,207,294.84 and 20,084,741.16

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Solution

The fourth proportional to 66,142,473.36, 99,207,294.84 and 20,084,741.16 is: 30,125,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,473.36 : 99,207,294.84 = 20,084,741.16 : x
  2. Step 2: Convert to fraction form
    66,142,473.36/99,207,294.84 = 20,084,741.16/x
  3. Step 3: Cross multiply
    66,142,473.36x = 99,207,294.84 × 20,084,741.16
  4. Step 4: Simplify right side
    66,142,473.36x = 1,992,552,838,045,203.75
  5. Step 5: Solve for x
    x = 1,992,552,838,045,203.75/66,142,473.36
  6. Step 6: Final answer
    x = 30,125,163.71

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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.