Home / 172,401,156.60-258,727,706.10-121,382,820.60

Finding the Fourth Proportional to 172,401,156.60, 258,727,706.10 and 121,382,820.60

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Solution

The fourth proportional to 172,401,156.60, 258,727,706.10 and 121,382,820.60 is: 182,162,923.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,401,156.60 : 258,727,706.10 = 121,382,820.60 : x
  2. Step 2: Convert to fraction form
    172,401,156.60/258,727,706.10 = 121,382,820.60/x
  3. Step 3: Cross multiply
    172,401,156.60x = 258,727,706.10 × 121,382,820.60
  4. Step 4: Simplify right side
    172,401,156.60x = 31,405,098,733,785,824
  5. Step 5: Solve for x
    x = 31,405,098,733,785,824/172,401,156.60
  6. Step 6: Final answer
    x = 182,162,923.69

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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.