Home / 187,951,666.77-282,204,253.15-105,115,713.68

Finding the Fourth Proportional to 187,951,666.77, 282,204,253.15 and 105,115,713.68

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Solution

The fourth proportional to 187,951,666.77, 282,204,253.15 and 105,115,713.68 is: 157,828,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,951,666.77 : 282,204,253.15 = 105,115,713.68 : x
  2. Step 2: Convert to fraction form
    187,951,666.77/282,204,253.15 = 105,115,713.68/x
  3. Step 3: Cross multiply
    187,951,666.77x = 282,204,253.15 × 105,115,713.68
  4. Step 4: Simplify right side
    187,951,666.77x = 29,664,101,472,950,912
  5. Step 5: Solve for x
    x = 29,664,101,472,950,912/187,951,666.77
  6. Step 6: Final answer
    x = 157,828,350.15

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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.