Home / 124,847,999.40-187,271,999.10-84,033,330.60

Finding the Fourth Proportional to 124,847,999.40, 187,271,999.10 and 84,033,330.60

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Solution

The fourth proportional to 124,847,999.40, 187,271,999.10 and 84,033,330.60 is: 126,049,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847,999.40 : 187,271,999.10 = 84,033,330.60 : x
  2. Step 2: Convert to fraction form
    124,847,999.40/187,271,999.10 = 84,033,330.60/x
  3. Step 3: Cross multiply
    124,847,999.40x = 187,271,999.10 × 84,033,330.60
  4. Step 4: Simplify right side
    124,847,999.40x = 15,737,089,812,493,200
  5. Step 5: Solve for x
    x = 15,737,089,812,493,200/124,847,999.40
  6. Step 6: Final answer
    x = 126,049,995.90

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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.