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Finding the Fourth Proportional to 143,390,775,363.20, 215,086,163,044.80 and 143,390,775,363.20

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Solution

The fourth proportional to 143,390,775,363.20, 215,086,163,044.80 and 143,390,775,363.20 is: 215,086,163,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,390,775,363.20 : 215,086,163,044.80 = 143,390,775,363.20 : x
  2. Step 2: Convert to fraction form
    143,390,775,363.20/215,086,163,044.80 = 143,390,775,363.20/x
  3. Step 3: Cross multiply
    143,390,775,363.20x = 215,086,163,044.80 × 143,390,775,363.20
  4. Step 4: Simplify right side
    143,390,775,363.20x = 30,841,371,688,889,527,304,192
  5. Step 5: Solve for x
    x = 30,841,371,688,889,527,304,192/143,390,775,363.20
  6. Step 6: Final answer
    x = 215,086,163,044.80

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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.