Home / 131,418,009.60-197,127,014.40-111,262,617.60

Finding the Fourth Proportional to 131,418,009.60, 197,127,014.40 and 111,262,617.60

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Solution

The fourth proportional to 131,418,009.60, 197,127,014.40 and 111,262,617.60 is: 166,893,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,418,009.60 : 197,127,014.40 = 111,262,617.60 : x
  2. Step 2: Convert to fraction form
    131,418,009.60/197,127,014.40 = 111,262,617.60/x
  3. Step 3: Cross multiply
    131,418,009.60x = 197,127,014.40 × 111,262,617.60
  4. Step 4: Simplify right side
    131,418,009.60x = 21,932,867,621,816,892
  5. Step 5: Solve for x
    x = 21,932,867,621,816,892/131,418,009.60
  6. Step 6: Final answer
    x = 166,893,926.40

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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.