Home / 79,915,602.78-110,283,531.48-43,246,173.78

Finding the Fourth Proportional to 79,915,602.78, 110,283,531.48 and 43,246,173.78

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Solution

The fourth proportional to 79,915,602.78, 110,283,531.48 and 43,246,173.78 is: 59,679,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,915,602.78 : 110,283,531.48 = 43,246,173.78 : x
  2. Step 2: Convert to fraction form
    79,915,602.78/110,283,531.48 = 43,246,173.78/x
  3. Step 3: Cross multiply
    79,915,602.78x = 110,283,531.48 × 43,246,173.78
  4. Step 4: Simplify right side
    79,915,602.78x = 4,769,340,767,456,181
  5. Step 5: Solve for x
    x = 4,769,340,767,456,181/79,915,602.78
  6. Step 6: Final answer
    x = 59,679,719.62

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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.