Home / 120,512,573.70-180,768,860.55-63,022,467.30

Finding the Fourth Proportional to 120,512,573.70, 180,768,860.55 and 63,022,467.30

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Solution

The fourth proportional to 120,512,573.70, 180,768,860.55 and 63,022,467.30 is: 94,533,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,512,573.70 : 180,768,860.55 = 63,022,467.30 : x
  2. Step 2: Convert to fraction form
    120,512,573.70/180,768,860.55 = 63,022,467.30/x
  3. Step 3: Cross multiply
    120,512,573.70x = 180,768,860.55 × 63,022,467.30
  4. Step 4: Simplify right side
    120,512,573.70x = 11,392,499,602,870,636
  5. Step 5: Solve for x
    x = 11,392,499,602,870,636/120,512,573.70
  6. Step 6: Final answer
    x = 94,533,700.95

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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.