Home / 201,018,102.30-301,527,153.45-86,014,269.90

Finding the Fourth Proportional to 201,018,102.30, 301,527,153.45 and 86,014,269.90

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Solution

The fourth proportional to 201,018,102.30, 301,527,153.45 and 86,014,269.90 is: 129,021,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,018,102.30 : 301,527,153.45 = 86,014,269.90 : x
  2. Step 2: Convert to fraction form
    201,018,102.30/301,527,153.45 = 86,014,269.90/x
  3. Step 3: Cross multiply
    201,018,102.30x = 301,527,153.45 × 86,014,269.90
  4. Step 4: Simplify right side
    201,018,102.30x = 25,935,637,959,027,016
  5. Step 5: Solve for x
    x = 25,935,637,959,027,016/201,018,102.30
  6. Step 6: Final answer
    x = 129,021,404.85

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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.