Home / 282,467,165.87-423,702,102.01-85,732,288.07

Finding the Fourth Proportional to 282,467,165.87, 423,702,102.01 and 85,732,288.07

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Solution

The fourth proportional to 282,467,165.87, 423,702,102.01 and 85,732,288.07 is: 128,598,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,467,165.87 : 423,702,102.01 = 85,732,288.07 : x
  2. Step 2: Convert to fraction form
    282,467,165.87/423,702,102.01 = 85,732,288.07/x
  3. Step 3: Cross multiply
    282,467,165.87x = 423,702,102.01 × 85,732,288.07
  4. Step 4: Simplify right side
    282,467,165.87x = 36,324,950,664,963,384
  5. Step 5: Solve for x
    x = 36,324,950,664,963,384/282,467,165.87
  6. Step 6: Final answer
    x = 128,598,842.82

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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.