Home / 97,373,879.87-145,933,643.01-74,260,182.17

Finding the Fourth Proportional to 97,373,879.87, 145,933,643.01 and 74,260,182.17

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Solution

The fourth proportional to 97,373,879.87, 145,933,643.01 and 74,260,182.17 is: 111,293,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,373,879.87 : 145,933,643.01 = 74,260,182.17 : x
  2. Step 2: Convert to fraction form
    97,373,879.87/145,933,643.01 = 74,260,182.17/x
  3. Step 3: Cross multiply
    97,373,879.87x = 145,933,643.01 × 74,260,182.17
  4. Step 4: Simplify right side
    97,373,879.87x = 10,837,058,915,297,656
  5. Step 5: Solve for x
    x = 10,837,058,915,297,656/97,373,879.87
  6. Step 6: Final answer
    x = 111,293,284.51

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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.