Home / 293,318,468.40-440,313,625.80-172,218,154.80

Finding the Fourth Proportional to 293,318,468.40, 440,313,625.80 and 172,218,154.80

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Solution

The fourth proportional to 293,318,468.40, 440,313,625.80 and 172,218,154.80 is: 258,524,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,318,468.40 : 440,313,625.80 = 172,218,154.80 : x
  2. Step 2: Convert to fraction form
    293,318,468.40/440,313,625.80 = 172,218,154.80/x
  3. Step 3: Cross multiply
    293,318,468.40x = 440,313,625.80 × 172,218,154.80
  4. Step 4: Simplify right side
    293,318,468.40x = 75,830,000,168,573,680
  5. Step 5: Solve for x
    x = 75,830,000,168,573,680/293,318,468.40
  6. Step 6: Final answer
    x = 258,524,465.17

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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.