Home / 193,451,507.82-266,963,097.51-105,345,479.07

Finding the Fourth Proportional to 193,451,507.82, 266,963,097.51 and 105,345,479.07

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Solution

The fourth proportional to 193,451,507.82, 266,963,097.51 and 105,345,479.07 is: 145,376,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,451,507.82 : 266,963,097.51 = 105,345,479.07 : x
  2. Step 2: Convert to fraction form
    193,451,507.82/266,963,097.51 = 105,345,479.07/x
  3. Step 3: Cross multiply
    193,451,507.82x = 266,963,097.51 × 105,345,479.07
  4. Step 4: Simplify right side
    193,451,507.82x = 28,123,355,401,202,072
  5. Step 5: Solve for x
    x = 28,123,355,401,202,072/193,451,507.82
  6. Step 6: Final answer
    x = 145,376,770.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.