Home / 185,334,562.40-278,101,376.40-77,640,072.80

Finding the Fourth Proportional to 185,334,562.40, 278,101,376.40 and 77,640,072.80

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Solution

The fourth proportional to 185,334,562.40, 278,101,376.40 and 77,640,072.80 is: 116,501,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,334,562.40 : 278,101,376.40 = 77,640,072.80 : x
  2. Step 2: Convert to fraction form
    185,334,562.40/278,101,376.40 = 77,640,072.80/x
  3. Step 3: Cross multiply
    185,334,562.40x = 278,101,376.40 × 77,640,072.80
  4. Step 4: Simplify right side
    185,334,562.40x = 21,591,811,109,476,200
  5. Step 5: Solve for x
    x = 21,591,811,109,476,200/185,334,562.40
  6. Step 6: Final answer
    x = 116,501,805.33

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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.