Home / 66,434,435.80-99,651,653.70-18,565,379.80

Finding the Fourth Proportional to 66,434,435.80, 99,651,653.70 and 18,565,379.80

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Solution

The fourth proportional to 66,434,435.80, 99,651,653.70 and 18,565,379.80 is: 27,848,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,435.80 : 99,651,653.70 = 18,565,379.80 : x
  2. Step 2: Convert to fraction form
    66,434,435.80/99,651,653.70 = 18,565,379.80/x
  3. Step 3: Cross multiply
    66,434,435.80x = 99,651,653.70 × 18,565,379.80
  4. Step 4: Simplify right side
    66,434,435.80x = 1,850,070,798,638,575.50
  5. Step 5: Solve for x
    x = 1,850,070,798,638,575.50/66,434,435.80
  6. Step 6: Final answer
    x = 27,848,069.70

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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.