Home / 219,027,609.70-328,541,414.55-57,485,875.30

Finding the Fourth Proportional to 219,027,609.70, 328,541,414.55 and 57,485,875.30

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Solution

The fourth proportional to 219,027,609.70, 328,541,414.55 and 57,485,875.30 is: 86,228,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027,609.70 : 328,541,414.55 = 57,485,875.30 : x
  2. Step 2: Convert to fraction form
    219,027,609.70/328,541,414.55 = 57,485,875.30/x
  3. Step 3: Cross multiply
    219,027,609.70x = 328,541,414.55 × 57,485,875.30
  4. Step 4: Simplify right side
    219,027,609.70x = 18,886,490,787,706,904
  5. Step 5: Solve for x
    x = 18,886,490,787,706,904/219,027,609.70
  6. Step 6: Final answer
    x = 86,228,812.95

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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.