Home / 81,291,204.45-112,097,064.66-48,245,069.01

Finding the Fourth Proportional to 81,291,204.45, 112,097,064.66 and 48,245,069.01

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Solution

The fourth proportional to 81,291,204.45, 112,097,064.66 and 48,245,069.01 is: 66,527,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,291,204.45 : 112,097,064.66 = 48,245,069.01 : x
  2. Step 2: Convert to fraction form
    81,291,204.45/112,097,064.66 = 48,245,069.01/x
  3. Step 3: Cross multiply
    81,291,204.45x = 112,097,064.66 × 48,245,069.01
  4. Step 4: Simplify right side
    81,291,204.45x = 5,408,130,620,340,132
  5. Step 5: Solve for x
    x = 5,408,130,620,340,132/81,291,204.45
  6. Step 6: Final answer
    x = 66,527,869.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.