Home / 85,177,128.30-127,597,730.85-50,996,942.70

Finding the Fourth Proportional to 85,177,128.30, 127,597,730.85 and 50,996,942.70

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Solution

The fourth proportional to 85,177,128.30, 127,597,730.85 and 50,996,942.70 is: 76,394,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,128.30 : 127,597,730.85 = 50,996,942.70 : x
  2. Step 2: Convert to fraction form
    85,177,128.30/127,597,730.85 = 50,996,942.70/x
  3. Step 3: Cross multiply
    85,177,128.30x = 127,597,730.85 × 50,996,942.70
  4. Step 4: Simplify right side
    85,177,128.30x = 6,507,094,168,807,472
  5. Step 5: Solve for x
    x = 6,507,094,168,807,472/85,177,128.30
  6. Step 6: Final answer
    x = 76,394,852.69

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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.