Home / 66,958,638.88-92,391,918.40-39,452,827.36

Finding the Fourth Proportional to 66,958,638.88, 92,391,918.40 and 39,452,827.36

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Solution

The fourth proportional to 66,958,638.88, 92,391,918.40 and 39,452,827.36 is: 54,438,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958,638.88 : 92,391,918.40 = 39,452,827.36 : x
  2. Step 2: Convert to fraction form
    66,958,638.88/92,391,918.40 = 39,452,827.36/x
  3. Step 3: Cross multiply
    66,958,638.88x = 92,391,918.40 × 39,452,827.36
  4. Step 4: Simplify right side
    66,958,638.88x = 3,645,122,406,094,407.50
  5. Step 5: Solve for x
    x = 3,645,122,406,094,407.50/66,958,638.88
  6. Step 6: Final answer
    x = 54,438,418.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.