Home / 78,634,333.20-118,004,643.90-27,516,794.88

Finding the Fourth Proportional to 78,634,333.20, 118,004,643.90 and 27,516,794.88

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Solution

The fourth proportional to 78,634,333.20, 118,004,643.90 and 27,516,794.88 is: 41,293,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,634,333.20 : 118,004,643.90 = 27,516,794.88 : x
  2. Step 2: Convert to fraction form
    78,634,333.20/118,004,643.90 = 27,516,794.88/x
  3. Step 3: Cross multiply
    78,634,333.20x = 118,004,643.90 × 27,516,794.88
  4. Step 4: Simplify right side
    78,634,333.20x = 3,247,109,581,083,743.50
  5. Step 5: Solve for x
    x = 3,247,109,581,083,743.50/78,634,333.20
  6. Step 6: Final answer
    x = 41,293,789.23

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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.