Home / 78,017,014.86-117,042,293.60-22,685,811.27

Finding the Fourth Proportional to 78,017,014.86, 117,042,293.60 and 22,685,811.27

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Solution

The fourth proportional to 78,017,014.86, 117,042,293.60 and 22,685,811.27 is: 34,033,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,017,014.86 : 117,042,293.60 = 22,685,811.27 : x
  2. Step 2: Convert to fraction form
    78,017,014.86/117,042,293.60 = 22,685,811.27/x
  3. Step 3: Cross multiply
    78,017,014.86x = 117,042,293.60 × 22,685,811.27
  4. Step 4: Simplify right side
    78,017,014.86x = 2,655,199,382,665,191
  5. Step 5: Solve for x
    x = 2,655,199,382,665,191/78,017,014.86
  6. Step 6: Final answer
    x = 34,033,593.66

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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.