Home / 221,695,980.72-332,561,700.36-76,070,940.72

Finding the Fourth Proportional to 221,695,980.72, 332,561,700.36 and 76,070,940.72

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Solution

The fourth proportional to 221,695,980.72, 332,561,700.36 and 76,070,940.72 is: 114,112,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,695,980.72 : 332,561,700.36 = 76,070,940.72 : x
  2. Step 2: Convert to fraction form
    221,695,980.72/332,561,700.36 = 76,070,940.72/x
  3. Step 3: Cross multiply
    221,695,980.72x = 332,561,700.36 × 76,070,940.72
  4. Step 4: Simplify right side
    221,695,980.72x = 25,298,281,393,827,964
  5. Step 5: Solve for x
    x = 25,298,281,393,827,964/221,695,980.72
  6. Step 6: Final answer
    x = 114,112,494.56

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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.