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Finding the Fourth Proportional to 229,887,806.70, 344,831,710.05 and 220,817,880.30

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Solution

The fourth proportional to 229,887,806.70, 344,831,710.05 and 220,817,880.30 is: 331,226,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,887,806.70 : 344,831,710.05 = 220,817,880.30 : x
  2. Step 2: Convert to fraction form
    229,887,806.70/344,831,710.05 = 220,817,880.30/x
  3. Step 3: Cross multiply
    229,887,806.70x = 344,831,710.05 × 220,817,880.30
  4. Step 4: Simplify right side
    229,887,806.70x = 76,145,007,273,465,216
  5. Step 5: Solve for x
    x = 76,145,007,273,465,216/229,887,806.70
  6. Step 6: Final answer
    x = 331,226,820.45

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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.