Home / 187,350,811.79-258,571,164.04-107,950,666.28

Finding the Fourth Proportional to 187,350,811.79, 258,571,164.04 and 107,950,666.28

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Solution

The fourth proportional to 187,350,811.79, 258,571,164.04 and 107,950,666.28 is: 148,987,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,350,811.79 : 258,571,164.04 = 107,950,666.28 : x
  2. Step 2: Convert to fraction form
    187,350,811.79/258,571,164.04 = 107,950,666.28/x
  3. Step 3: Cross multiply
    187,350,811.79x = 258,571,164.04 × 107,950,666.28
  4. Step 4: Simplify right side
    187,350,811.79x = 27,912,929,437,958,208
  5. Step 5: Solve for x
    x = 27,912,929,437,958,208/187,350,811.79
  6. Step 6: Final answer
    x = 148,987,501.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.