Home / 221,341,331.80-332,212,764.30-112,242,399.40

Finding the Fourth Proportional to 221,341,331.80, 332,212,764.30 and 112,242,399.40

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Solution

The fourth proportional to 221,341,331.80, 332,212,764.30 and 112,242,399.40 is: 168,465,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,341,331.80 : 332,212,764.30 = 112,242,399.40 : x
  2. Step 2: Convert to fraction form
    221,341,331.80/332,212,764.30 = 112,242,399.40/x
  3. Step 3: Cross multiply
    221,341,331.80x = 332,212,764.30 × 112,242,399.40
  4. Step 4: Simplify right side
    221,341,331.80x = 37,288,357,776,338,664
  5. Step 5: Solve for x
    x = 37,288,357,776,338,664/221,341,331.80
  6. Step 6: Final answer
    x = 168,465,408.03

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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.