Home / 263,041,410.30-394,562,115.45-71,565,186.30

Finding the Fourth Proportional to 263,041,410.30, 394,562,115.45 and 71,565,186.30

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Solution

The fourth proportional to 263,041,410.30, 394,562,115.45 and 71,565,186.30 is: 107,347,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,041,410.30 : 394,562,115.45 = 71,565,186.30 : x
  2. Step 2: Convert to fraction form
    263,041,410.30/394,562,115.45 = 71,565,186.30/x
  3. Step 3: Cross multiply
    263,041,410.30x = 394,562,115.45 × 71,565,186.30
  4. Step 4: Simplify right side
    263,041,410.30x = 28,236,911,299,101,356
  5. Step 5: Solve for x
    x = 28,236,911,299,101,356/263,041,410.30
  6. Step 6: Final answer
    x = 107,347,779.45

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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.