Home / 168,795,847.20-253,182,573.36-76,657,712.16

Finding the Fourth Proportional to 168,795,847.20, 253,182,573.36 and 76,657,712.16

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Solution

The fourth proportional to 168,795,847.20, 253,182,573.36 and 76,657,712.16 is: 114,981,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,795,847.20 : 253,182,573.36 = 76,657,712.16 : x
  2. Step 2: Convert to fraction form
    168,795,847.20/253,182,573.36 = 76,657,712.16/x
  3. Step 3: Cross multiply
    168,795,847.20x = 253,182,573.36 × 76,657,712.16
  4. Step 4: Simplify right side
    168,795,847.20x = 19,408,396,832,558,964
  5. Step 5: Solve for x
    x = 19,408,396,832,558,964/168,795,847.20
  6. Step 6: Final answer
    x = 114,981,482.98

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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.