Home / 325,332,290.40-487,998,435.60-109,921,538.40

Finding the Fourth Proportional to 325,332,290.40, 487,998,435.60 and 109,921,538.40

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Solution

The fourth proportional to 325,332,290.40, 487,998,435.60 and 109,921,538.40 is: 164,882,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,332,290.40 : 487,998,435.60 = 109,921,538.40 : x
  2. Step 2: Convert to fraction form
    325,332,290.40/487,998,435.60 = 109,921,538.40/x
  3. Step 3: Cross multiply
    325,332,290.40x = 487,998,435.60 × 109,921,538.40
  4. Step 4: Simplify right side
    325,332,290.40x = 53,641,538,777,945,336
  5. Step 5: Solve for x
    x = 53,641,538,777,945,336/325,332,290.40
  6. Step 6: Final answer
    x = 164,882,307.60

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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.