Home / 132,580,838.40-198,535,334.40-105,706,982.40

Finding the Fourth Proportional to 132,580,838.40, 198,535,334.40 and 105,706,982.40

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Solution

The fourth proportional to 132,580,838.40, 198,535,334.40 and 105,706,982.40 is: 158,292,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,580,838.40 : 198,535,334.40 = 105,706,982.40 : x
  2. Step 2: Convert to fraction form
    132,580,838.40/198,535,334.40 = 105,706,982.40/x
  3. Step 3: Cross multiply
    132,580,838.40x = 198,535,334.40 × 105,706,982.40
  4. Step 4: Simplify right side
    132,580,838.40x = 20,986,571,099,198,916
  5. Step 5: Solve for x
    x = 20,986,571,099,198,916/132,580,838.40
  6. Step 6: Final answer
    x = 158,292,641.32

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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.