Home / 219,842,529.03-329,774,398.68-72,286,821.83

Finding the Fourth Proportional to 219,842,529.03, 329,774,398.68 and 72,286,821.83

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Solution

The fourth proportional to 219,842,529.03, 329,774,398.68 and 72,286,821.83 is: 108,433,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,529.03 : 329,774,398.68 = 72,286,821.83 : x
  2. Step 2: Convert to fraction form
    219,842,529.03/329,774,398.68 = 72,286,821.83/x
  3. Step 3: Cross multiply
    219,842,529.03x = 329,774,398.68 × 72,286,821.83
  4. Step 4: Simplify right side
    219,842,529.03x = 23,838,343,201,476,548
  5. Step 5: Solve for x
    x = 23,838,343,201,476,548/219,842,529.03
  6. Step 6: Final answer
    x = 108,433,719.84

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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.