Home / 281,091,062.16-387,850,540.80-176,608,596.96

Finding the Fourth Proportional to 281,091,062.16, 387,850,540.80 and 176,608,596.96

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Solution

The fourth proportional to 281,091,062.16, 387,850,540.80 and 176,608,596.96 is: 243,685,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,091,062.16 : 387,850,540.80 = 176,608,596.96 : x
  2. Step 2: Convert to fraction form
    281,091,062.16/387,850,540.80 = 176,608,596.96/x
  3. Step 3: Cross multiply
    281,091,062.16x = 387,850,540.80 × 176,608,596.96
  4. Step 4: Simplify right side
    281,091,062.16x = 68,497,739,840,865,240
  5. Step 5: Solve for x
    x = 68,497,739,840,865,240/281,091,062.16
  6. Step 6: Final answer
    x = 243,685,228.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.