Home / 53,384,318.16-73,669,122.72-30,178,454.64

Finding the Fourth Proportional to 53,384,318.16, 73,669,122.72 and 30,178,454.64

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Solution

The fourth proportional to 53,384,318.16, 73,669,122.72 and 30,178,454.64 is: 41,645,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,384,318.16 : 73,669,122.72 = 30,178,454.64 : x
  2. Step 2: Convert to fraction form
    53,384,318.16/73,669,122.72 = 30,178,454.64/x
  3. Step 3: Cross multiply
    53,384,318.16x = 73,669,122.72 × 30,178,454.64
  4. Step 4: Simplify right side
    53,384,318.16x = 2,223,220,278,374,113.50
  5. Step 5: Solve for x
    x = 2,223,220,278,374,113.50/53,384,318.16
  6. Step 6: Final answer
    x = 41,645,568.49

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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.