Home / 191,190,249.57-285,696,982-143,556,246.87

Finding the Fourth Proportional to 191,190,249.57, 285,696,982 and 143,556,246.87

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Solution

The fourth proportional to 191,190,249.57, 285,696,982 and 143,556,246.87 is: 214,517,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,190,249.57 : 285,696,982 = 143,556,246.87 : x
  2. Step 2: Convert to fraction form
    191,190,249.57/285,696,982 = 143,556,246.87/x
  3. Step 3: Cross multiply
    191,190,249.57x = 285,696,982 × 143,556,246.87
  4. Step 4: Simplify right side
    191,190,249.57x = 41,013,586,478,005,944
  5. Step 5: Solve for x
    x = 41,013,586,478,005,944/191,190,249.57
  6. Step 6: Final answer
    x = 214,517,144.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.