Home / 89,483,195.32-123,472,376.56-50,322,636.63

Finding the Fourth Proportional to 89,483,195.32, 123,472,376.56 and 50,322,636.63

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Solution

The fourth proportional to 89,483,195.32, 123,472,376.56 and 50,322,636.63 is: 69,437,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,483,195.32 : 123,472,376.56 = 50,322,636.63 : x
  2. Step 2: Convert to fraction form
    89,483,195.32/123,472,376.56 = 50,322,636.63/x
  3. Step 3: Cross multiply
    89,483,195.32x = 123,472,376.56 × 50,322,636.63
  4. Step 4: Simplify right side
    89,483,195.32x = 6,213,455,539,534,313
  5. Step 5: Solve for x
    x = 6,213,455,539,534,313/89,483,195.32
  6. Step 6: Final answer
    x = 69,437,121.88

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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.