Home / 89,329,317.80-134,119,947.90-55,317,093.80

Finding the Fourth Proportional to 89,329,317.80, 134,119,947.90 and 55,317,093.80

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Solution

The fourth proportional to 89,329,317.80, 134,119,947.90 and 55,317,093.80 is: 83,053,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,329,317.80 : 134,119,947.90 = 55,317,093.80 : x
  2. Step 2: Convert to fraction form
    89,329,317.80/134,119,947.90 = 55,317,093.80/x
  3. Step 3: Cross multiply
    89,329,317.80x = 134,119,947.90 × 55,317,093.80
  4. Step 4: Simplify right side
    89,329,317.80x = 7,419,125,738,435,413
  5. Step 5: Solve for x
    x = 7,419,125,738,435,413/89,329,317.80
  6. Step 6: Final answer
    x = 83,053,648.24

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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.