Home / 186,029,489.70-279,044,234.55-145,674,468.90

Finding the Fourth Proportional to 186,029,489.70, 279,044,234.55 and 145,674,468.90

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Solution

The fourth proportional to 186,029,489.70, 279,044,234.55 and 145,674,468.90 is: 218,511,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,029,489.70 : 279,044,234.55 = 145,674,468.90 : x
  2. Step 2: Convert to fraction form
    186,029,489.70/279,044,234.55 = 145,674,468.90/x
  3. Step 3: Cross multiply
    186,029,489.70x = 279,044,234.55 × 145,674,468.90
  4. Step 4: Simplify right side
    186,029,489.70x = 40,649,620,667,678,280
  5. Step 5: Solve for x
    x = 40,649,620,667,678,280/186,029,489.70
  6. Step 6: Final answer
    x = 218,511,703.35

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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.