Home / 262,241,570.20-393,472,580.10-140,931,304.60

Finding the Fourth Proportional to 262,241,570.20, 393,472,580.10 and 140,931,304.60

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Solution

The fourth proportional to 262,241,570.20, 393,472,580.10 and 140,931,304.60 is: 211,456,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,241,570.20 : 393,472,580.10 = 140,931,304.60 : x
  2. Step 2: Convert to fraction form
    262,241,570.20/393,472,580.10 = 140,931,304.60/x
  3. Step 3: Cross multiply
    262,241,570.20x = 393,472,580.10 × 140,931,304.60
  4. Step 4: Simplify right side
    262,241,570.20x = 55,452,604,037,821,000
  5. Step 5: Solve for x
    x = 55,452,604,037,821,000/262,241,570.20
  6. Step 6: Final answer
    x = 211,456,192.84

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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.