Home / 132,530,200,420.82-198,823,254,428.44-42,986,239,553.67

Finding the Fourth Proportional to 132,530,200,420.82, 198,823,254,428.44 and 42,986,239,553.67

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Solution

The fourth proportional to 132,530,200,420.82, 198,823,254,428.44 and 42,986,239,553.67 is: 64,488,426,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530,200,420.82 : 198,823,254,428.44 = 42,986,239,553.67 : x
  2. Step 2: Convert to fraction form
    132,530,200,420.82/198,823,254,428.44 = 42,986,239,553.67/x
  3. Step 3: Cross multiply
    132,530,200,420.82x = 198,823,254,428.44 × 42,986,239,553.67
  4. Step 4: Simplify right side
    132,530,200,420.82x = 8,546,664,043,701,200,748,544
  5. Step 5: Solve for x
    x = 8,546,664,043,701,200,748,544/132,530,200,420.82
  6. Step 6: Final answer
    x = 64,488,426,159.19

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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.