Home / 217,591,137.45-300,272,953.02-118,470,747.95

Finding the Fourth Proportional to 217,591,137.45, 300,272,953.02 and 118,470,747.95

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Solution

The fourth proportional to 217,591,137.45, 300,272,953.02 and 118,470,747.95 is: 163,488,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,591,137.45 : 300,272,953.02 = 118,470,747.95 : x
  2. Step 2: Convert to fraction form
    217,591,137.45/300,272,953.02 = 118,470,747.95/x
  3. Step 3: Cross multiply
    217,591,137.45x = 300,272,953.02 × 118,470,747.95
  4. Step 4: Simplify right side
    217,591,137.45x = 35,573,561,331,933,244
  5. Step 5: Solve for x
    x = 35,573,561,331,933,244/217,591,137.45
  6. Step 6: Final answer
    x = 163,488,098.59

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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.