Home / 112,978,872.40-169,468,308.60-31,097,592.40

Finding the Fourth Proportional to 112,978,872.40, 169,468,308.60 and 31,097,592.40

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Solution

The fourth proportional to 112,978,872.40, 169,468,308.60 and 31,097,592.40 is: 46,646,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978,872.40 : 169,468,308.60 = 31,097,592.40 : x
  2. Step 2: Convert to fraction form
    112,978,872.40/169,468,308.60 = 31,097,592.40/x
  3. Step 3: Cross multiply
    112,978,872.40x = 169,468,308.60 × 31,097,592.40
  4. Step 4: Simplify right side
    112,978,872.40x = 5,270,056,385,560,214
  5. Step 5: Solve for x
    x = 5,270,056,385,560,214/112,978,872.40
  6. Step 6: Final answer
    x = 46,646,388.60

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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.