Home / 69,143,846.15-95,418,311.81-38,203,795.01

Finding the Fourth Proportional to 69,143,846.15, 95,418,311.81 and 38,203,795.01

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Solution

The fourth proportional to 69,143,846.15, 95,418,311.81 and 38,203,795.01 is: 52,721,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143,846.15 : 95,418,311.81 = 38,203,795.01 : x
  2. Step 2: Convert to fraction form
    69,143,846.15/95,418,311.81 = 38,203,795.01/x
  3. Step 3: Cross multiply
    69,143,846.15x = 95,418,311.81 × 38,203,795.01
  4. Step 4: Simplify right side
    69,143,846.15x = 3,645,341,624,637,029.50
  5. Step 5: Solve for x
    x = 3,645,341,624,637,029.50/69,143,846.15
  6. Step 6: Final answer
    x = 52,721,128.89

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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.