Home / 66,434,459.80-99,651,689.70-18,565,403.80

Finding the Fourth Proportional to 66,434,459.80, 99,651,689.70 and 18,565,403.80

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Solution

The fourth proportional to 66,434,459.80, 99,651,689.70 and 18,565,403.80 is: 27,848,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,459.80 : 99,651,689.70 = 18,565,403.80 : x
  2. Step 2: Convert to fraction form
    66,434,459.80/99,651,689.70 = 18,565,403.80/x
  3. Step 3: Cross multiply
    66,434,459.80x = 99,651,689.70 × 18,565,403.80
  4. Step 4: Simplify right side
    66,434,459.80x = 1,850,073,858,632,801
  5. Step 5: Solve for x
    x = 1,850,073,858,632,801/66,434,459.80
  6. Step 6: Final answer
    x = 27,848,105.70

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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.