Home / 187,110,927.45-280,468,469.19-70,475,819.15

Finding the Fourth Proportional to 187,110,927.45, 280,468,469.19 and 70,475,819.15

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Solution

The fourth proportional to 187,110,927.45, 280,468,469.19 and 70,475,819.15 is: 105,639,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,110,927.45 : 280,468,469.19 = 70,475,819.15 : x
  2. Step 2: Convert to fraction form
    187,110,927.45/280,468,469.19 = 70,475,819.15/x
  3. Step 3: Cross multiply
    187,110,927.45x = 280,468,469.19 × 70,475,819.15
  4. Step 4: Simplify right side
    187,110,927.45x = 19,766,245,110,509,444
  5. Step 5: Solve for x
    x = 19,766,245,110,509,444/187,110,927.45
  6. Step 6: Final answer
    x = 105,639,180.89

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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.