Home / 132,530,200,209.83-198,823,254,111.35-42,986,239,342.67

Finding the Fourth Proportional to 132,530,200,209.83, 198,823,254,111.35 and 42,986,239,342.67

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Solution

The fourth proportional to 132,530,200,209.83, 198,823,254,111.35 and 42,986,239,342.67 is: 64,488,425,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530,200,209.83 : 198,823,254,111.35 = 42,986,239,342.67 : x
  2. Step 2: Convert to fraction form
    132,530,200,209.83/198,823,254,111.35 = 42,986,239,342.67/x
  3. Step 3: Cross multiply
    132,530,200,209.83x = 198,823,254,111.35 × 42,986,239,342.67
  4. Step 4: Simplify right side
    132,530,200,209.83x = 8,546,663,988,117,994,733,568
  5. Step 5: Solve for x
    x = 8,546,663,988,117,994,733,568/132,530,200,209.83
  6. Step 6: Final answer
    x = 64,488,425,842.46

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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.