Home / 276,505,460.16-381,580,725.60-152,743,542.72

Finding the Fourth Proportional to 276,505,460.16, 381,580,725.60 and 152,743,542.72

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Solution

The fourth proportional to 276,505,460.16, 381,580,725.60 and 152,743,542.72 is: 210,787,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,505,460.16 : 381,580,725.60 = 152,743,542.72 : x
  2. Step 2: Convert to fraction form
    276,505,460.16/381,580,725.60 = 152,743,542.72/x
  3. Step 3: Cross multiply
    276,505,460.16x = 381,580,725.60 × 152,743,542.72
  4. Step 4: Simplify right side
    276,505,460.16x = 58,283,991,861,812,200
  5. Step 5: Solve for x
    x = 58,283,991,861,812,200/276,505,460.16
  6. Step 6: Final answer
    x = 210,787,851.45

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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.