Home / 263,041,202.80-394,561,804.20-71,564,978.80

Finding the Fourth Proportional to 263,041,202.80, 394,561,804.20 and 71,564,978.80

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Solution

The fourth proportional to 263,041,202.80, 394,561,804.20 and 71,564,978.80 is: 107,347,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,041,202.80 : 394,561,804.20 = 71,564,978.80 : x
  2. Step 2: Convert to fraction form
    263,041,202.80/394,561,804.20 = 71,564,978.80/x
  3. Step 3: Cross multiply
    263,041,202.80x = 394,561,804.20 × 71,564,978.80
  4. Step 4: Simplify right side
    263,041,202.80x = 28,236,807,152,862,748
  5. Step 5: Solve for x
    x = 28,236,807,152,862,748/263,041,202.80
  6. Step 6: Final answer
    x = 107,347,468.20

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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.