Home / 187,117,762.20-280,456,223.48-76,384,276.34

Finding the Fourth Proportional to 187,117,762.20, 280,456,223.48 and 76,384,276.34

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Solution

The fourth proportional to 187,117,762.20, 280,456,223.48 and 76,384,276.34 is: 114,486,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,117,762.20 : 280,456,223.48 = 76,384,276.34 : x
  2. Step 2: Convert to fraction form
    187,117,762.20/280,456,223.48 = 76,384,276.34/x
  3. Step 3: Cross multiply
    187,117,762.20x = 280,456,223.48 × 76,384,276.34
  4. Step 4: Simplify right side
    187,117,762.20x = 21,422,445,675,569,120
  5. Step 5: Solve for x
    x = 21,422,445,675,569,120/187,117,762.20
  6. Step 6: Final answer
    x = 114,486,435.83

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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.