Home / 213,241,367.20-319,862,063.84-51,683,303.20

Finding the Fourth Proportional to 213,241,367.20, 319,862,063.84 and 51,683,303.20

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Solution

The fourth proportional to 213,241,367.20, 319,862,063.84 and 51,683,303.20 is: 77,524,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,241,367.20 : 319,862,063.84 = 51,683,303.20 : x
  2. Step 2: Convert to fraction form
    213,241,367.20/319,862,063.84 = 51,683,303.20/x
  3. Step 3: Cross multiply
    213,241,367.20x = 319,862,063.84 × 51,683,303.20
  4. Step 4: Simplify right side
    213,241,367.20x = 16,531,528,027,620,476
  5. Step 5: Solve for x
    x = 16,531,528,027,620,476/213,241,367.20
  6. Step 6: Final answer
    x = 77,524,957.96

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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.