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Finding the Fourth Proportional to 235,053,043.20, 352,579,564.80 and 235,053,043.20

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Solution

The fourth proportional to 235,053,043.20, 352,579,564.80 and 235,053,043.20 is: 352,579,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,053,043.20 : 352,579,564.80 = 235,053,043.20 : x
  2. Step 2: Convert to fraction form
    235,053,043.20/352,579,564.80 = 235,053,043.20/x
  3. Step 3: Cross multiply
    235,053,043.20x = 352,579,564.80 × 235,053,043.20
  4. Step 4: Simplify right side
    235,053,043.20x = 82,874,899,676,371,600
  5. Step 5: Solve for x
    x = 82,874,899,676,371,600/235,053,043.20
  6. Step 6: Final answer
    x = 352,579,564.80

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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.