Home / 200,607,703.38-300,983,232.33-121,984,172.64

Finding the Fourth Proportional to 200,607,703.38, 300,983,232.33 and 121,984,172.64

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Solution

The fourth proportional to 200,607,703.38, 300,983,232.33 and 121,984,172.64 is: 183,019,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,607,703.38 : 300,983,232.33 = 121,984,172.64 : x
  2. Step 2: Convert to fraction form
    200,607,703.38/300,983,232.33 = 121,984,172.64/x
  3. Step 3: Cross multiply
    200,607,703.38x = 300,983,232.33 × 121,984,172.64
  4. Step 4: Simplify right side
    200,607,703.38x = 36,715,190,574,287,944
  5. Step 5: Solve for x
    x = 36,715,190,574,287,944/200,607,703.38
  6. Step 6: Final answer
    x = 183,019,843.98

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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.