Home / 113,379,618.81-156,468,828.83-63,823,190.25

Finding the Fourth Proportional to 113,379,618.81, 156,468,828.83 and 63,823,190.25

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Solution

The fourth proportional to 113,379,618.81, 156,468,828.83 and 63,823,190.25 is: 88,078,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379,618.81 : 156,468,828.83 = 63,823,190.25 : x
  2. Step 2: Convert to fraction form
    113,379,618.81/156,468,828.83 = 63,823,190.25/x
  3. Step 3: Cross multiply
    113,379,618.81x = 156,468,828.83 × 63,823,190.25
  4. Step 4: Simplify right side
    113,379,618.81x = 9,986,339,830,292,658
  5. Step 5: Solve for x
    x = 9,986,339,830,292,658/113,379,618.81
  6. Step 6: Final answer
    x = 88,078,791.72

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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.