Home / 219,842,428.92-329,774,248.54-72,286,721.94

Finding the Fourth Proportional to 219,842,428.92, 329,774,248.54 and 72,286,721.94

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Solution

The fourth proportional to 219,842,428.92, 329,774,248.54 and 72,286,721.94 is: 108,433,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,842,428.92 : 329,774,248.54 = 72,286,721.94 : x
  2. Step 2: Convert to fraction form
    219,842,428.92/329,774,248.54 = 72,286,721.94/x
  3. Step 3: Cross multiply
    219,842,428.92x = 329,774,248.54 × 72,286,721.94
  4. Step 4: Simplify right side
    219,842,428.92x = 23,838,299,407,183,432
  5. Step 5: Solve for x
    x = 23,838,299,407,183,432/219,842,428.92
  6. Step 6: Final answer
    x = 108,433,570.01

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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.