Home / 209,952,528.70-314,928,793.05-107,726,899.90

Finding the Fourth Proportional to 209,952,528.70, 314,928,793.05 and 107,726,899.90

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Solution

The fourth proportional to 209,952,528.70, 314,928,793.05 and 107,726,899.90 is: 161,590,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,528.70 : 314,928,793.05 = 107,726,899.90 : x
  2. Step 2: Convert to fraction form
    209,952,528.70/314,928,793.05 = 107,726,899.90/x
  3. Step 3: Cross multiply
    209,952,528.70x = 314,928,793.05 × 107,726,899.90
  4. Step 4: Simplify right side
    209,952,528.70x = 33,926,302,564,525,168
  5. Step 5: Solve for x
    x = 33,926,302,564,525,168/209,952,528.70
  6. Step 6: Final answer
    x = 161,590,349.85

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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.