Home / 235,960,149.25-353,941,343.35-72,197,644.61

Finding the Fourth Proportional to 235,960,149.25, 353,941,343.35 and 72,197,644.61

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Solution

The fourth proportional to 235,960,149.25, 353,941,343.35 and 72,197,644.61 is: 108,296,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,960,149.25 : 353,941,343.35 = 72,197,644.61 : x
  2. Step 2: Convert to fraction form
    235,960,149.25/353,941,343.35 = 72,197,644.61/x
  3. Step 3: Cross multiply
    235,960,149.25x = 353,941,343.35 × 72,197,644.61
  4. Step 4: Simplify right side
    235,960,149.25x = 25,553,731,319,028,396
  5. Step 5: Solve for x
    x = 25,553,731,319,028,396/235,960,149.25
  6. Step 6: Final answer
    x = 108,296,809.44

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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.