Home / 81,078,537.08-121,617,775.04-32,556,376.38

Finding the Fourth Proportional to 81,078,537.08, 121,617,775.04 and 32,556,376.38

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Solution

The fourth proportional to 81,078,537.08, 121,617,775.04 and 32,556,376.38 is: 48,834,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,078,537.08 : 121,617,775.04 = 32,556,376.38 : x
  2. Step 2: Convert to fraction form
    81,078,537.08/121,617,775.04 = 32,556,376.38/x
  3. Step 3: Cross multiply
    81,078,537.08x = 121,617,775.04 × 32,556,376.38
  4. Step 4: Simplify right side
    81,078,537.08x = 3,959,434,058,700,409.50
  5. Step 5: Solve for x
    x = 3,959,434,058,700,409.50/81,078,537.08
  6. Step 6: Final answer
    x = 48,834,552.29

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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.