Home / 328,974,094.11-493,457,336.86-79,980,761.89

Finding the Fourth Proportional to 328,974,094.11, 493,457,336.86 and 79,980,761.89

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Solution

The fourth proportional to 328,974,094.11, 493,457,336.86 and 79,980,761.89 is: 119,970,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,974,094.11 : 493,457,336.86 = 79,980,761.89 : x
  2. Step 2: Convert to fraction form
    328,974,094.11/493,457,336.86 = 79,980,761.89/x
  3. Step 3: Cross multiply
    328,974,094.11x = 493,457,336.86 × 79,980,761.89
  4. Step 4: Simplify right side
    328,974,094.11x = 39,467,093,761,676,264
  5. Step 5: Solve for x
    x = 39,467,093,761,676,264/328,974,094.11
  6. Step 6: Final answer
    x = 119,970,217.93

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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.