Home / 281,521,747.59-422,281,776.60-71,432,026.74

Finding the Fourth Proportional to 281,521,747.59, 422,281,776.60 and 71,432,026.74

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Solution

The fourth proportional to 281,521,747.59, 422,281,776.60 and 71,432,026.74 is: 107,147,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,521,747.59 : 422,281,776.60 = 71,432,026.74 : x
  2. Step 2: Convert to fraction form
    281,521,747.59/422,281,776.60 = 71,432,026.74/x
  3. Step 3: Cross multiply
    281,521,747.59x = 422,281,776.60 × 71,432,026.74
  4. Step 4: Simplify right side
    281,521,747.59x = 30,164,443,157,905,904
  5. Step 5: Solve for x
    x = 30,164,443,157,905,904/281,521,747.59
  6. Step 6: Final answer
    x = 107,147,825.76

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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.