Home / 172,079,508.80-258,119,263.20-153,267,809.60

Finding the Fourth Proportional to 172,079,508.80, 258,119,263.20 and 153,267,809.60

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Solution

The fourth proportional to 172,079,508.80, 258,119,263.20 and 153,267,809.60 is: 229,901,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,079,508.80 : 258,119,263.20 = 153,267,809.60 : x
  2. Step 2: Convert to fraction form
    172,079,508.80/258,119,263.20 = 153,267,809.60/x
  3. Step 3: Cross multiply
    172,079,508.80x = 258,119,263.20 × 153,267,809.60
  4. Step 4: Simplify right side
    172,079,508.80x = 39,561,374,086,229,880
  5. Step 5: Solve for x
    x = 39,561,374,086,229,880/172,079,508.80
  6. Step 6: Final answer
    x = 229,901,714.40

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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.