Home / 112,978,905.40-169,468,358.10-31,097,625.40

Finding the Fourth Proportional to 112,978,905.40, 169,468,358.10 and 31,097,625.40

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Solution

The fourth proportional to 112,978,905.40, 169,468,358.10 and 31,097,625.40 is: 46,646,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,978,905.40 : 169,468,358.10 = 31,097,625.40 : x
  2. Step 2: Convert to fraction form
    112,978,905.40/169,468,358.10 = 31,097,625.40/x
  3. Step 3: Cross multiply
    112,978,905.40x = 169,468,358.10 × 31,097,625.40
  4. Step 4: Simplify right side
    112,978,905.40x = 5,270,063,517,346,855
  5. Step 5: Solve for x
    x = 5,270,063,517,346,855/112,978,905.40
  6. Step 6: Final answer
    x = 46,646,438.10

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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.