Home / 185,733,110.40-278,599,665.60-76,521,984.90

Finding the Fourth Proportional to 185,733,110.40, 278,599,665.60 and 76,521,984.90

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Solution

The fourth proportional to 185,733,110.40, 278,599,665.60 and 76,521,984.90 is: 114,782,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,733,110.40 : 278,599,665.60 = 76,521,984.90 : x
  2. Step 2: Convert to fraction form
    185,733,110.40/278,599,665.60 = 76,521,984.90/x
  3. Step 3: Cross multiply
    185,733,110.40x = 278,599,665.60 × 76,521,984.90
  4. Step 4: Simplify right side
    185,733,110.40x = 21,318,999,404,188,252
  5. Step 5: Solve for x
    x = 21,318,999,404,188,252/185,733,110.40
  6. Step 6: Final answer
    x = 114,782,977.35

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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.