Home / 63,900,376.20-95,864,561.10-20,762,238.60

Finding the Fourth Proportional to 63,900,376.20, 95,864,561.10 and 20,762,238.60

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Solution

The fourth proportional to 63,900,376.20, 95,864,561.10 and 20,762,238.60 is: 31,147,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,900,376.20 : 95,864,561.10 = 20,762,238.60 : x
  2. Step 2: Convert to fraction form
    63,900,376.20/95,864,561.10 = 20,762,238.60/x
  3. Step 3: Cross multiply
    63,900,376.20x = 95,864,561.10 × 20,762,238.60
  4. Step 4: Simplify right side
    63,900,376.20x = 1,990,362,890,842,478.50
  5. Step 5: Solve for x
    x = 1,990,362,890,842,478.50/63,900,376.20
  6. Step 6: Final answer
    x = 31,147,905.68

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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.