Home / 172,005,654.13-257,913,302.95-68,269,770.61

Finding the Fourth Proportional to 172,005,654.13, 257,913,302.95 and 68,269,770.61

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Solution

The fourth proportional to 172,005,654.13, 257,913,302.95 and 68,269,770.61 is: 102,366,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,005,654.13 : 257,913,302.95 = 68,269,770.61 : x
  2. Step 2: Convert to fraction form
    172,005,654.13/257,913,302.95 = 68,269,770.61/x
  3. Step 3: Cross multiply
    172,005,654.13x = 257,913,302.95 × 68,269,770.61
  4. Step 4: Simplify right side
    172,005,654.13x = 17,607,682,029,104,490
  5. Step 5: Solve for x
    x = 17,607,682,029,104,490/172,005,654.13
  6. Step 6: Final answer
    x = 102,366,879.27

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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.