Home / 51,836,086.25-77,765,726.85-19,488,269.08

Finding the Fourth Proportional to 51,836,086.25, 77,765,726.85 and 19,488,269.08

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Solution

The fourth proportional to 51,836,086.25, 77,765,726.85 and 19,488,269.08 is: 29,236,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,836,086.25 : 77,765,726.85 = 19,488,269.08 : x
  2. Step 2: Convert to fraction form
    51,836,086.25/77,765,726.85 = 19,488,269.08/x
  3. Step 3: Cross multiply
    51,836,086.25x = 77,765,726.85 × 19,488,269.08
  4. Step 4: Simplify right side
    51,836,086.25x = 1,515,519,409,860,166.50
  5. Step 5: Solve for x
    x = 1,515,519,409,860,166.50/51,836,086.25
  6. Step 6: Final answer
    x = 29,236,763.80

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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.