Home / 65,146,037.08-89,936,434.16-50,228,780.60

Finding the Fourth Proportional to 65,146,037.08, 89,936,434.16 and 50,228,780.60

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Solution

The fourth proportional to 65,146,037.08, 89,936,434.16 and 50,228,780.60 is: 69,342,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,146,037.08 : 89,936,434.16 = 50,228,780.60 : x
  2. Step 2: Convert to fraction form
    65,146,037.08/89,936,434.16 = 50,228,780.60/x
  3. Step 3: Cross multiply
    65,146,037.08x = 89,936,434.16 × 50,228,780.60
  4. Step 4: Simplify right side
    65,146,037.08x = 4,517,397,419,368,985
  5. Step 5: Solve for x
    x = 4,517,397,419,368,985/65,146,037.08
  6. Step 6: Final answer
    x = 69,342,628.07

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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.