Home / 81,078,539.08-121,617,778.04-32,556,378.38

Finding the Fourth Proportional to 81,078,539.08, 121,617,778.04 and 32,556,378.38

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Solution

The fourth proportional to 81,078,539.08, 121,617,778.04 and 32,556,378.38 is: 48,834,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,078,539.08 : 121,617,778.04 = 32,556,378.38 : x
  2. Step 2: Convert to fraction form
    81,078,539.08/121,617,778.04 = 32,556,378.38/x
  3. Step 3: Cross multiply
    81,078,539.08x = 121,617,778.04 × 32,556,378.38
  4. Step 4: Simplify right side
    81,078,539.08x = 3,959,434,399,605,095
  5. Step 5: Solve for x
    x = 3,959,434,399,605,095/81,078,539.08
  6. Step 6: Final answer
    x = 48,834,555.29

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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.