Home / 165,280,608.40-247,920,912.60-147,424,190.80

Finding the Fourth Proportional to 165,280,608.40, 247,920,912.60 and 147,424,190.80

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Solution

The fourth proportional to 165,280,608.40, 247,920,912.60 and 147,424,190.80 is: 221,136,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280,608.40 : 247,920,912.60 = 147,424,190.80 : x
  2. Step 2: Convert to fraction form
    165,280,608.40/247,920,912.60 = 147,424,190.80/x
  3. Step 3: Cross multiply
    165,280,608.40x = 247,920,912.60 × 147,424,190.80
  4. Step 4: Simplify right side
    165,280,608.40x = 36,549,539,922,452,528
  5. Step 5: Solve for x
    x = 36,549,539,922,452,528/165,280,608.40
  6. Step 6: Final answer
    x = 221,136,286.20

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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.