Home / 178,394,452.45-246,186,023.30-100,079,686.94

Finding the Fourth Proportional to 178,394,452.45, 246,186,023.30 and 100,079,686.94

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Solution

The fourth proportional to 178,394,452.45, 246,186,023.30 and 100,079,686.94 is: 138,110,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,394,452.45 : 246,186,023.30 = 100,079,686.94 : x
  2. Step 2: Convert to fraction form
    178,394,452.45/246,186,023.30 = 100,079,686.94/x
  3. Step 3: Cross multiply
    178,394,452.45x = 246,186,023.30 × 100,079,686.94
  4. Step 4: Simplify right side
    178,394,452.45x = 24,638,220,140,867,548
  5. Step 5: Solve for x
    x = 24,638,220,140,867,548/178,394,452.45
  6. Step 6: Final answer
    x = 138,110,909.85

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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.