Home / 278,196,007.15-417,305,359.14-70,939,792.87

Finding the Fourth Proportional to 278,196,007.15, 417,305,359.14 and 70,939,792.87

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Solution

The fourth proportional to 278,196,007.15, 417,305,359.14 and 70,939,792.87 is: 106,412,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,196,007.15 : 417,305,359.14 = 70,939,792.87 : x
  2. Step 2: Convert to fraction form
    278,196,007.15/417,305,359.14 = 70,939,792.87/x
  3. Step 3: Cross multiply
    278,196,007.15x = 417,305,359.14 × 70,939,792.87
  4. Step 4: Simplify right side
    278,196,007.15x = 29,603,555,740,932,564
  5. Step 5: Solve for x
    x = 29,603,555,740,932,564/278,196,007.15
  6. Step 6: Final answer
    x = 106,412,583.14

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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.