Home / 132,636,653-198,735,028.86-80,664,052.76

Finding the Fourth Proportional to 132,636,653, 198,735,028.86 and 80,664,052.76

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Solution

The fourth proportional to 132,636,653, 198,735,028.86 and 80,664,052.76 is: 120,862,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,636,653 : 198,735,028.86 = 80,664,052.76 : x
  2. Step 2: Convert to fraction form
    132,636,653/198,735,028.86 = 80,664,052.76/x
  3. Step 3: Cross multiply
    132,636,653x = 198,735,028.86 × 80,664,052.76
  4. Step 4: Simplify right side
    132,636,653x = 16,030,772,853,223,164
  5. Step 5: Solve for x
    x = 16,030,772,853,223,164/132,636,653
  6. Step 6: Final answer
    x = 120,862,314.38

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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.