Home / 209,952,331.60-314,928,497.40-64,384,736.80

Finding the Fourth Proportional to 209,952,331.60, 314,928,497.40 and 64,384,736.80

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Solution

The fourth proportional to 209,952,331.60, 314,928,497.40 and 64,384,736.80 is: 96,577,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,331.60 : 314,928,497.40 = 64,384,736.80 : x
  2. Step 2: Convert to fraction form
    209,952,331.60/314,928,497.40 = 64,384,736.80/x
  3. Step 3: Cross multiply
    209,952,331.60x = 314,928,497.40 × 64,384,736.80
  4. Step 4: Simplify right side
    209,952,331.60x = 20,276,588,415,918,480
  5. Step 5: Solve for x
    x = 20,276,588,415,918,480/209,952,331.60
  6. Step 6: Final answer
    x = 96,577,105.20

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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.