Home / 131,949,009.60-197,923,514.40-121,745,342.40

Finding the Fourth Proportional to 131,949,009.60, 197,923,514.40 and 121,745,342.40

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Solution

The fourth proportional to 131,949,009.60, 197,923,514.40 and 121,745,342.40 is: 182,618,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,949,009.60 : 197,923,514.40 = 121,745,342.40 : x
  2. Step 2: Convert to fraction form
    131,949,009.60/197,923,514.40 = 121,745,342.40/x
  3. Step 3: Cross multiply
    131,949,009.60x = 197,923,514.40 × 121,745,342.40
  4. Step 4: Simplify right side
    131,949,009.60x = 24,096,266,029,639,332
  5. Step 5: Solve for x
    x = 24,096,266,029,639,332/131,949,009.60
  6. Step 6: Final answer
    x = 182,618,013.60

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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.