Home / 66,749,876.16-99,955,452.48-55,938,747.84

Finding the Fourth Proportional to 66,749,876.16, 99,955,452.48 and 55,938,747.84

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Solution

The fourth proportional to 66,749,876.16, 99,955,452.48 and 55,938,747.84 is: 83,766,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749,876.16 : 99,955,452.48 = 55,938,747.84 : x
  2. Step 2: Convert to fraction form
    66,749,876.16/99,955,452.48 = 55,938,747.84/x
  3. Step 3: Cross multiply
    66,749,876.16x = 99,955,452.48 × 55,938,747.84
  4. Step 4: Simplify right side
    66,749,876.16x = 5,591,382,851,511,823
  5. Step 5: Solve for x
    x = 5,591,382,851,511,823/66,749,876.16
  6. Step 6: Final answer
    x = 83,766,190.64

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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.