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Finding the Fourth Proportional to 217,818,098.10, 305,172,085.50 and 217,818,098.10

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Solution

The fourth proportional to 217,818,098.10, 305,172,085.50 and 217,818,098.10 is: 305,172,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,818,098.10 : 305,172,085.50 = 217,818,098.10 : x
  2. Step 2: Convert to fraction form
    217,818,098.10/305,172,085.50 = 217,818,098.10/x
  3. Step 3: Cross multiply
    217,818,098.10x = 305,172,085.50 × 217,818,098.10
  4. Step 4: Simplify right side
    217,818,098.10x = 66,472,003,256,820,584
  5. Step 5: Solve for x
    x = 66,472,003,256,820,584/217,818,098.10
  6. Step 6: Final answer
    x = 305,172,085.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.