Home / 433,072,736.30-649,349,679.43-137,840,329.32

Finding the Fourth Proportional to 433,072,736.30, 649,349,679.43 and 137,840,329.32

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Solution

The fourth proportional to 433,072,736.30, 649,349,679.43 and 137,840,329.32 is: 206,677,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,072,736.30 : 649,349,679.43 = 137,840,329.32 : x
  2. Step 2: Convert to fraction form
    433,072,736.30/649,349,679.43 = 137,840,329.32/x
  3. Step 3: Cross multiply
    433,072,736.30x = 649,349,679.43 × 137,840,329.32
  4. Step 4: Simplify right side
    433,072,736.30x = 89,506,573,654,204,864
  5. Step 5: Solve for x
    x = 89,506,573,654,204,864/433,072,736.30
  6. Step 6: Final answer
    x = 206,677,923.02

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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.