Home / 313,829,705.50-433,088,977.89-172,717,173.34

Finding the Fourth Proportional to 313,829,705.50, 433,088,977.89 and 172,717,173.34

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Solution

The fourth proportional to 313,829,705.50, 433,088,977.89 and 172,717,173.34 is: 238,351,891.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,829,705.50 : 433,088,977.89 = 172,717,173.34 : x
  2. Step 2: Convert to fraction form
    313,829,705.50/433,088,977.89 = 172,717,173.34/x
  3. Step 3: Cross multiply
    313,829,705.50x = 433,088,977.89 × 172,717,173.34
  4. Step 4: Simplify right side
    313,829,705.50x = 74,801,904,065,870,560
  5. Step 5: Solve for x
    x = 74,801,904,065,870,560/313,829,705.50
  6. Step 6: Final answer
    x = 238,351,891.98

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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.