Home / 78,178,339.58-117,268,412.18-23,591,397.92

Finding the Fourth Proportional to 78,178,339.58, 117,268,412.18 and 23,591,397.92

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Solution

The fourth proportional to 78,178,339.58, 117,268,412.18 and 23,591,397.92 is: 35,387,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,178,339.58 : 117,268,412.18 = 23,591,397.92 : x
  2. Step 2: Convert to fraction form
    78,178,339.58/117,268,412.18 = 23,591,397.92/x
  3. Step 3: Cross multiply
    78,178,339.58x = 117,268,412.18 × 23,591,397.92
  4. Step 4: Simplify right side
    78,178,339.58x = 2,766,525,774,480,655.50
  5. Step 5: Solve for x
    x = 2,766,525,774,480,655.50/78,178,339.58
  6. Step 6: Final answer
    x = 35,387,369.31

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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.