Home / 217,997,541.07-326,626,148.18-131,554,307.55

Finding the Fourth Proportional to 217,997,541.07, 326,626,148.18 and 131,554,307.55

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Solution

The fourth proportional to 217,997,541.07, 326,626,148.18 and 131,554,307.55 is: 197,108,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,997,541.07 : 326,626,148.18 = 131,554,307.55 : x
  2. Step 2: Convert to fraction form
    217,997,541.07/326,626,148.18 = 131,554,307.55/x
  3. Step 3: Cross multiply
    217,997,541.07x = 326,626,148.18 × 131,554,307.55
  4. Step 4: Simplify right side
    217,997,541.07x = 42,969,076,753,100,592
  5. Step 5: Solve for x
    x = 42,969,076,753,100,592/217,997,541.07
  6. Step 6: Final answer
    x = 197,108,079.95

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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.