Home / 239,640,886.35-359,510,169.29-108,420,133.05

Finding the Fourth Proportional to 239,640,886.35, 359,510,169.29 and 108,420,133.05

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Solution

The fourth proportional to 239,640,886.35, 359,510,169.29 and 108,420,133.05 is: 162,652,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,640,886.35 : 359,510,169.29 = 108,420,133.05 : x
  2. Step 2: Convert to fraction form
    239,640,886.35/359,510,169.29 = 108,420,133.05/x
  3. Step 3: Cross multiply
    239,640,886.35x = 359,510,169.29 × 108,420,133.05
  4. Step 4: Simplify right side
    239,640,886.35x = 38,978,140,386,707,728
  5. Step 5: Solve for x
    x = 38,978,140,386,707,728/239,640,886.35
  6. Step 6: Final answer
    x = 162,652,296.03

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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.