Home / 89,272,305.11-133,704,583.70-42,618,608.75

Finding the Fourth Proportional to 89,272,305.11, 133,704,583.70 and 42,618,608.75

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Solution

The fourth proportional to 89,272,305.11, 133,704,583.70 and 42,618,608.75 is: 63,830,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,272,305.11 : 133,704,583.70 = 42,618,608.75 : x
  2. Step 2: Convert to fraction form
    89,272,305.11/133,704,583.70 = 42,618,608.75/x
  3. Step 3: Cross multiply
    89,272,305.11x = 133,704,583.70 × 42,618,608.75
  4. Step 4: Simplify right side
    89,272,305.11x = 5,698,303,339,910,311
  5. Step 5: Solve for x
    x = 5,698,303,339,910,311/89,272,305.11
  6. Step 6: Final answer
    x = 63,830,583.66

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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.