Home / 219,527,908.50-302,948,946.78-120,409,462.68

Finding the Fourth Proportional to 219,527,908.50, 302,948,946.78 and 120,409,462.68

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Solution

The fourth proportional to 219,527,908.50, 302,948,946.78 and 120,409,462.68 is: 166,165,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,527,908.50 : 302,948,946.78 = 120,409,462.68 : x
  2. Step 2: Convert to fraction form
    219,527,908.50/302,948,946.78 = 120,409,462.68/x
  3. Step 3: Cross multiply
    219,527,908.50x = 302,948,946.78 × 120,409,462.68
  4. Step 4: Simplify right side
    219,527,908.50x = 36,477,919,901,251,712
  5. Step 5: Solve for x
    x = 36,477,919,901,251,712/219,527,908.50
  6. Step 6: Final answer
    x = 166,165,296.02

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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.