Home / 49,422,113.53-74,133,947.37-18,708,446.86

Finding the Fourth Proportional to 49,422,113.53, 74,133,947.37 and 18,708,446.86

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Solution

The fourth proportional to 49,422,113.53, 74,133,947.37 and 18,708,446.86 is: 28,062,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422,113.53 : 74,133,947.37 = 18,708,446.86 : x
  2. Step 2: Convert to fraction form
    49,422,113.53/74,133,947.37 = 18,708,446.86/x
  3. Step 3: Cross multiply
    49,422,113.53x = 74,133,947.37 × 18,708,446.86
  4. Step 4: Simplify right side
    49,422,113.53x = 1,386,931,015,090,272.25
  5. Step 5: Solve for x
    x = 1,386,931,015,090,272.25/49,422,113.53
  6. Step 6: Final answer
    x = 28,062,964.45

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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.