Home / 195,309,553.28-269,750,877.60-128,626,599.72

Finding the Fourth Proportional to 195,309,553.28, 269,750,877.60 and 128,626,599.72

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Solution

The fourth proportional to 195,309,553.28, 269,750,877.60 and 128,626,599.72 is: 177,652,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,309,553.28 : 269,750,877.60 = 128,626,599.72 : x
  2. Step 2: Convert to fraction form
    195,309,553.28/269,750,877.60 = 128,626,599.72/x
  3. Step 3: Cross multiply
    195,309,553.28x = 269,750,877.60 × 128,626,599.72
  4. Step 4: Simplify right side
    195,309,553.28x = 34,697,138,157,173,916
  5. Step 5: Solve for x
    x = 34,697,138,157,173,916/195,309,553.28
  6. Step 6: Final answer
    x = 177,652,027.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.