Home / 90,072,751.96-124,311,909.44-50,382,488.44

Finding the Fourth Proportional to 90,072,751.96, 124,311,909.44 and 50,382,488.44

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Solution

The fourth proportional to 90,072,751.96, 124,311,909.44 and 50,382,488.44 is: 69,534,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,072,751.96 : 124,311,909.44 = 50,382,488.44 : x
  2. Step 2: Convert to fraction form
    90,072,751.96/124,311,909.44 = 50,382,488.44/x
  3. Step 3: Cross multiply
    90,072,751.96x = 124,311,909.44 × 50,382,488.44
  4. Step 4: Simplify right side
    90,072,751.96x = 6,263,143,340,315,126
  5. Step 5: Solve for x
    x = 6,263,143,340,315,126/90,072,751.96
  6. Step 6: Final answer
    x = 69,534,273.17

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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.