Home / 52,499,680.40-78,749,520.60-48,342,630.80

Finding the Fourth Proportional to 52,499,680.40, 78,749,520.60 and 48,342,630.80

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Solution

The fourth proportional to 52,499,680.40, 78,749,520.60 and 48,342,630.80 is: 72,513,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,499,680.40 : 78,749,520.60 = 48,342,630.80 : x
  2. Step 2: Convert to fraction form
    52,499,680.40/78,749,520.60 = 48,342,630.80/x
  3. Step 3: Cross multiply
    52,499,680.40x = 78,749,520.60 × 48,342,630.80
  4. Step 4: Simplify right side
    52,499,680.40x = 3,806,959,000,042,794
  5. Step 5: Solve for x
    x = 3,806,959,000,042,794/52,499,680.40
  6. Step 6: Final answer
    x = 72,513,946.20

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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.