Home / 90,463,319.44-124,839,286.32-49,210,113.40

Finding the Fourth Proportional to 90,463,319.44, 124,839,286.32 and 49,210,113.40

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Solution

The fourth proportional to 90,463,319.44, 124,839,286.32 and 49,210,113.40 is: 67,909,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463,319.44 : 124,839,286.32 = 49,210,113.40 : x
  2. Step 2: Convert to fraction form
    90,463,319.44/124,839,286.32 = 49,210,113.40/x
  3. Step 3: Cross multiply
    90,463,319.44x = 124,839,286.32 × 49,210,113.40
  4. Step 4: Simplify right side
    90,463,319.44x = 6,143,355,436,582,268
  5. Step 5: Solve for x
    x = 6,143,355,436,582,268/90,463,319.44
  6. Step 6: Final answer
    x = 67,909,905.08

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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.