Home / 212,870,423.20-319,305,634.80-59,516,233.60

Finding the Fourth Proportional to 212,870,423.20, 319,305,634.80 and 59,516,233.60

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Solution

The fourth proportional to 212,870,423.20, 319,305,634.80 and 59,516,233.60 is: 89,274,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,870,423.20 : 319,305,634.80 = 59,516,233.60 : x
  2. Step 2: Convert to fraction form
    212,870,423.20/319,305,634.80 = 59,516,233.60/x
  3. Step 3: Cross multiply
    212,870,423.20x = 319,305,634.80 × 59,516,233.60
  4. Step 4: Simplify right side
    212,870,423.20x = 19,003,868,750,553,092
  5. Step 5: Solve for x
    x = 19,003,868,750,553,092/212,870,423.20
  6. Step 6: Final answer
    x = 89,274,350.40

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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.