Home / 147,060,287.20-220,590,430.80-92,640,728.80

Finding the Fourth Proportional to 147,060,287.20, 220,590,430.80 and 92,640,728.80

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Solution

The fourth proportional to 147,060,287.20, 220,590,430.80 and 92,640,728.80 is: 138,961,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,060,287.20 : 220,590,430.80 = 92,640,728.80 : x
  2. Step 2: Convert to fraction form
    147,060,287.20/220,590,430.80 = 92,640,728.80/x
  3. Step 3: Cross multiply
    147,060,287.20x = 220,590,430.80 × 92,640,728.80
  4. Step 4: Simplify right side
    147,060,287.20x = 20,435,658,275,617,968
  5. Step 5: Solve for x
    x = 20,435,658,275,617,968/147,060,287.20
  6. Step 6: Final answer
    x = 138,961,093.20

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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.