Home / 209,952,003.70-314,928,005.55-107,915,331.70

Finding the Fourth Proportional to 209,952,003.70, 314,928,005.55 and 107,915,331.70

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Solution

The fourth proportional to 209,952,003.70, 314,928,005.55 and 107,915,331.70 is: 161,872,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,003.70 : 314,928,005.55 = 107,915,331.70 : x
  2. Step 2: Convert to fraction form
    209,952,003.70/314,928,005.55 = 107,915,331.70/x
  3. Step 3: Cross multiply
    209,952,003.70x = 314,928,005.55 × 107,915,331.70
  4. Step 4: Simplify right side
    209,952,003.70x = 33,985,560,180,547,692
  5. Step 5: Solve for x
    x = 33,985,560,180,547,692/209,952,003.70
  6. Step 6: Final answer
    x = 161,872,997.55

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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.