Home / 172,475,110.20-258,712,665.30-90,562,337.40

Finding the Fourth Proportional to 172,475,110.20, 258,712,665.30 and 90,562,337.40

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Solution

The fourth proportional to 172,475,110.20, 258,712,665.30 and 90,562,337.40 is: 135,843,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,475,110.20 : 258,712,665.30 = 90,562,337.40 : x
  2. Step 2: Convert to fraction form
    172,475,110.20/258,712,665.30 = 90,562,337.40/x
  3. Step 3: Cross multiply
    172,475,110.20x = 258,712,665.30 × 90,562,337.40
  4. Step 4: Simplify right side
    172,475,110.20x = 23,429,623,684,551,876
  5. Step 5: Solve for x
    x = 23,429,623,684,551,876/172,475,110.20
  6. Step 6: Final answer
    x = 135,843,506.10

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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.