Home / 85,177,113.80-127,597,709.10-50,996,928.20

Finding the Fourth Proportional to 85,177,113.80, 127,597,709.10 and 50,996,928.20

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Solution

The fourth proportional to 85,177,113.80, 127,597,709.10 and 50,996,928.20 is: 76,394,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,177,113.80 : 127,597,709.10 = 50,996,928.20 : x
  2. Step 2: Convert to fraction form
    85,177,113.80/127,597,709.10 = 50,996,928.20/x
  3. Step 3: Cross multiply
    85,177,113.80x = 127,597,709.10 × 50,996,928.20
  4. Step 4: Simplify right side
    85,177,113.80x = 6,507,091,209,457,187
  5. Step 5: Solve for x
    x = 6,507,091,209,457,187/85,177,113.80
  6. Step 6: Final answer
    x = 76,394,830.95

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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.