Home / 163,961,682,990.72-245,976,068,650.92-56,381,982,379.92

Finding the Fourth Proportional to 163,961,682,990.72, 245,976,068,650.92 and 56,381,982,379.92

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Solution

The fourth proportional to 163,961,682,990.72, 245,976,068,650.92 and 56,381,982,379.92 is: 84,584,508,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,961,682,990.72 : 245,976,068,650.92 = 56,381,982,379.92 : x
  2. Step 2: Convert to fraction form
    163,961,682,990.72/245,976,068,650.92 = 56,381,982,379.92/x
  3. Step 3: Cross multiply
    163,961,682,990.72x = 245,976,068,650.92 × 56,381,982,379.92
  4. Step 4: Simplify right side
    163,961,682,990.72x = 13,868,618,368,558,164,869,120
  5. Step 5: Solve for x
    x = 13,868,618,368,558,164,869,120/163,961,682,990.72
  6. Step 6: Final answer
    x = 84,584,508,499.73

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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.