Home / 221,508,003.60-332,262,005.40-130,808,739.60

Finding the Fourth Proportional to 221,508,003.60, 332,262,005.40 and 130,808,739.60

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Solution

The fourth proportional to 221,508,003.60, 332,262,005.40 and 130,808,739.60 is: 196,213,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,508,003.60 : 332,262,005.40 = 130,808,739.60 : x
  2. Step 2: Convert to fraction form
    221,508,003.60/332,262,005.40 = 130,808,739.60/x
  3. Step 3: Cross multiply
    221,508,003.60x = 332,262,005.40 × 130,808,739.60
  4. Step 4: Simplify right side
    221,508,003.60x = 43,462,774,143,342,392
  5. Step 5: Solve for x
    x = 43,462,774,143,342,392/221,508,003.60
  6. Step 6: Final answer
    x = 196,213,109.40

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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.