Home / 199,105,948.05-298,765,998.81-191,858,798.67

Finding the Fourth Proportional to 199,105,948.05, 298,765,998.81 and 191,858,798.67

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Solution

The fourth proportional to 199,105,948.05, 298,765,998.81 and 191,858,798.67 is: 287,891,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,105,948.05 : 298,765,998.81 = 191,858,798.67 : x
  2. Step 2: Convert to fraction form
    199,105,948.05/298,765,998.81 = 191,858,798.67/x
  3. Step 3: Cross multiply
    199,105,948.05x = 298,765,998.81 × 191,858,798.67
  4. Step 4: Simplify right side
    199,105,948.05x = 57,320,885,615,129,248
  5. Step 5: Solve for x
    x = 57,320,885,615,129,248/199,105,948.05
  6. Step 6: Final answer
    x = 287,891,377.31

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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.