Home / 207,200,039.60-310,912,033.80-92,202,330.80

Finding the Fourth Proportional to 207,200,039.60, 310,912,033.80 and 92,202,330.80

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Solution

The fourth proportional to 207,200,039.60, 310,912,033.80 and 92,202,330.80 is: 138,353,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,200,039.60 : 310,912,033.80 = 92,202,330.80 : x
  2. Step 2: Convert to fraction form
    207,200,039.60/310,912,033.80 = 92,202,330.80/x
  3. Step 3: Cross multiply
    207,200,039.60x = 310,912,033.80 × 92,202,330.80
  4. Step 4: Simplify right side
    207,200,039.60x = 28,666,814,190,128,380
  5. Step 5: Solve for x
    x = 28,666,814,190,128,380/207,200,039.60
  6. Step 6: Final answer
    x = 138,353,323.90

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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.