Home / 63,900,423.20-95,864,631.60-20,762,285.60

Finding the Fourth Proportional to 63,900,423.20, 95,864,631.60 and 20,762,285.60

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Solution

The fourth proportional to 63,900,423.20, 95,864,631.60 and 20,762,285.60 is: 31,147,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,900,423.20 : 95,864,631.60 = 20,762,285.60 : x
  2. Step 2: Convert to fraction form
    63,900,423.20/95,864,631.60 = 20,762,285.60/x
  3. Step 3: Cross multiply
    63,900,423.20x = 95,864,631.60 × 20,762,285.60
  4. Step 4: Simplify right side
    63,900,423.20x = 1,990,368,860,217,985
  5. Step 5: Solve for x
    x = 1,990,368,860,217,985/63,900,423.20
  6. Step 6: Final answer
    x = 31,147,976.19

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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.