Home / 85,464,022.40-128,192,923.20-34,332,156.80

Finding the Fourth Proportional to 85,464,022.40, 128,192,923.20 and 34,332,156.80

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Solution

The fourth proportional to 85,464,022.40, 128,192,923.20 and 34,332,156.80 is: 51,496,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,464,022.40 : 128,192,923.20 = 34,332,156.80 : x
  2. Step 2: Convert to fraction form
    85,464,022.40/128,192,923.20 = 34,332,156.80/x
  3. Step 3: Cross multiply
    85,464,022.40x = 128,192,923.20 × 34,332,156.80
  4. Step 4: Simplify right side
    85,464,022.40x = 4,401,139,539,952,757.50
  5. Step 5: Solve for x
    x = 4,401,139,539,952,757.50/85,464,022.40
  6. Step 6: Final answer
    x = 51,496,985.71

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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.