Home / 109,287,751.20-164,120,583.60-58,269,415.20

Finding the Fourth Proportional to 109,287,751.20, 164,120,583.60 and 58,269,415.20

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Solution

The fourth proportional to 109,287,751.20, 164,120,583.60 and 58,269,415.20 is: 87,504,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,287,751.20 : 164,120,583.60 = 58,269,415.20 : x
  2. Step 2: Convert to fraction form
    109,287,751.20/164,120,583.60 = 58,269,415.20/x
  3. Step 3: Cross multiply
    109,287,751.20x = 164,120,583.60 × 58,269,415.20
  4. Step 4: Simplify right side
    109,287,751.20x = 9,563,210,428,654,710
  5. Step 5: Solve for x
    x = 9,563,210,428,654,710/109,287,751.20
  6. Step 6: Final answer
    x = 87,504,869.70

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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.