Home / 78,167,681.07-117,251,525.25-53,551,333.95

Finding the Fourth Proportional to 78,167,681.07, 117,251,525.25 and 53,551,333.95

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Solution

The fourth proportional to 78,167,681.07, 117,251,525.25 and 53,551,333.95 is: 80,327,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167,681.07 : 117,251,525.25 = 53,551,333.95 : x
  2. Step 2: Convert to fraction form
    78,167,681.07/117,251,525.25 = 53,551,333.95/x
  3. Step 3: Cross multiply
    78,167,681.07x = 117,251,525.25 × 53,551,333.95
  4. Step 4: Simplify right side
    78,167,681.07x = 6,278,975,584,809,608
  5. Step 5: Solve for x
    x = 6,278,975,584,809,608/78,167,681.07
  6. Step 6: Final answer
    x = 80,327,003.42

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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.