Home / 399,523,816.08-599,272,216.56-140,732,273.16

Finding the Fourth Proportional to 399,523,816.08, 599,272,216.56 and 140,732,273.16

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Solution

The fourth proportional to 399,523,816.08, 599,272,216.56 and 140,732,273.16 is: 211,093,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,523,816.08 : 599,272,216.56 = 140,732,273.16 : x
  2. Step 2: Convert to fraction form
    399,523,816.08/599,272,216.56 = 140,732,273.16/x
  3. Step 3: Cross multiply
    399,523,816.08x = 599,272,216.56 × 140,732,273.16
  4. Step 4: Simplify right side
    399,523,816.08x = 84,336,941,278,120,592
  5. Step 5: Solve for x
    x = 84,336,941,278,120,592/399,523,816.08
  6. Step 6: Final answer
    x = 211,093,651.70

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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.