Home / 81,113,660-121,685,744.40-32,595,360.32

Finding the Fourth Proportional to 81,113,660, 121,685,744.40 and 32,595,360.32

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Solution

The fourth proportional to 81,113,660, 121,685,744.40 and 32,595,360.32 is: 48,899,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,113,660 : 121,685,744.40 = 32,595,360.32 : x
  2. Step 2: Convert to fraction form
    81,113,660/121,685,744.40 = 32,595,360.32/x
  3. Step 3: Cross multiply
    81,113,660x = 121,685,744.40 × 32,595,360.32
  4. Step 4: Simplify right side
    81,113,660x = 3,966,390,684,525,422.50
  5. Step 5: Solve for x
    x = 3,966,390,684,525,422.50/81,113,660
  6. Step 6: Final answer
    x = 48,899,170.43

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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.