Home / 187,737,383.72-259,089,562.50-105,231,189.80

Finding the Fourth Proportional to 187,737,383.72, 259,089,562.50 and 105,231,189.80

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Solution

The fourth proportional to 187,737,383.72, 259,089,562.50 and 105,231,189.80 is: 145,225,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,737,383.72 : 259,089,562.50 = 105,231,189.80 : x
  2. Step 2: Convert to fraction form
    187,737,383.72/259,089,562.50 = 105,231,189.80/x
  3. Step 3: Cross multiply
    187,737,383.72x = 259,089,562.50 × 105,231,189.80
  4. Step 4: Simplify right side
    187,737,383.72x = 27,264,302,926,636,460
  5. Step 5: Solve for x
    x = 27,264,302,926,636,460/187,737,383.72
  6. Step 6: Final answer
    x = 145,225,753.05

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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.