Home / 219,842,418.63-329,774,233.14-72,286,711.66

Finding the Fourth Proportional to 219,842,418.63, 329,774,233.14 and 72,286,711.66

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Solution

The fourth proportional to 219,842,418.63, 329,774,233.14 and 72,286,711.66 is: 108,433,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,418.63 : 329,774,233.14 = 72,286,711.66 : x
  2. Step 2: Convert to fraction form
    219,842,418.63/329,774,233.14 = 72,286,711.66/x
  3. Step 3: Cross multiply
    219,842,418.63x = 329,774,233.14 × 72,286,711.66
  4. Step 4: Simplify right side
    219,842,418.63x = 23,838,294,904,871,240
  5. Step 5: Solve for x
    x = 23,838,294,904,871,240/219,842,418.63
  6. Step 6: Final answer
    x = 108,433,554.60

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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.