Home / 77,996,813.52-107,634,287.16-43,188,756.60

Finding the Fourth Proportional to 77,996,813.52, 107,634,287.16 and 43,188,756.60

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Solution

The fourth proportional to 77,996,813.52, 107,634,287.16 and 43,188,756.60 is: 59,599,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996,813.52 : 107,634,287.16 = 43,188,756.60 : x
  2. Step 2: Convert to fraction form
    77,996,813.52/107,634,287.16 = 43,188,756.60/x
  3. Step 3: Cross multiply
    77,996,813.52x = 107,634,287.16 × 43,188,756.60
  4. Step 4: Simplify right side
    77,996,813.52x = 4,648,591,029,967,745
  5. Step 5: Solve for x
    x = 4,648,591,029,967,745/77,996,813.52
  6. Step 6: Final answer
    x = 59,599,755.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.