Home / 221,695,981.72-332,561,701.86-76,070,941.72

Finding the Fourth Proportional to 221,695,981.72, 332,561,701.86 and 76,070,941.72

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Solution

The fourth proportional to 221,695,981.72, 332,561,701.86 and 76,070,941.72 is: 114,112,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,695,981.72 : 332,561,701.86 = 76,070,941.72 : x
  2. Step 2: Convert to fraction form
    221,695,981.72/332,561,701.86 = 76,070,941.72/x
  3. Step 3: Cross multiply
    221,695,981.72x = 332,561,701.86 × 76,070,941.72
  4. Step 4: Simplify right side
    221,695,981.72x = 25,298,281,840,496,076
  5. Step 5: Solve for x
    x = 25,298,281,840,496,076/221,695,981.72
  6. Step 6: Final answer
    x = 114,112,496.06

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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.