Home / 159,117,186.98-219,569,847.66-89,489,115.77

Finding the Fourth Proportional to 159,117,186.98, 219,569,847.66 and 89,489,115.77

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Solution

The fourth proportional to 159,117,186.98, 219,569,847.66 and 89,489,115.77 is: 123,488,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,117,186.98 : 219,569,847.66 = 89,489,115.77 : x
  2. Step 2: Convert to fraction form
    159,117,186.98/219,569,847.66 = 89,489,115.77/x
  3. Step 3: Cross multiply
    159,117,186.98x = 219,569,847.66 × 89,489,115.77
  4. Step 4: Simplify right side
    159,117,186.98x = 19,649,111,515,749,156
  5. Step 5: Solve for x
    x = 19,649,111,515,749,156/159,117,186.98
  6. Step 6: Final answer
    x = 123,488,303.74

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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.