Home / 112,008,657.60-168,012,986.40-31,229,625.60

Finding the Fourth Proportional to 112,008,657.60, 168,012,986.40 and 31,229,625.60

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Solution

The fourth proportional to 112,008,657.60, 168,012,986.40 and 31,229,625.60 is: 46,844,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008,657.60 : 168,012,986.40 = 31,229,625.60 : x
  2. Step 2: Convert to fraction form
    112,008,657.60/168,012,986.40 = 31,229,625.60/x
  3. Step 3: Cross multiply
    112,008,657.60x = 168,012,986.40 × 31,229,625.60
  4. Step 4: Simplify right side
    112,008,657.60x = 5,246,982,661,209,892
  5. Step 5: Solve for x
    x = 5,246,982,661,209,892/112,008,657.60
  6. Step 6: Final answer
    x = 46,844,438.40

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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.