Home / 187,398,644.70-280,724,719.05-164,953,998.30

Finding the Fourth Proportional to 187,398,644.70, 280,724,719.05 and 164,953,998.30

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Solution

The fourth proportional to 187,398,644.70, 280,724,719.05 and 164,953,998.30 is: 247,102,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,398,644.70 : 280,724,719.05 = 164,953,998.30 : x
  2. Step 2: Convert to fraction form
    187,398,644.70/280,724,719.05 = 164,953,998.30/x
  3. Step 3: Cross multiply
    187,398,644.70x = 280,724,719.05 × 164,953,998.30
  4. Step 4: Simplify right side
    187,398,644.70x = 46,306,664,828,941,680
  5. Step 5: Solve for x
    x = 46,306,664,828,941,680/187,398,644.70
  6. Step 6: Final answer
    x = 247,102,453.19

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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.