Home / 74,809,785.60-112,025,721.60-49,111,660.80

Finding the Fourth Proportional to 74,809,785.60, 112,025,721.60 and 49,111,660.80

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Solution

The fourth proportional to 74,809,785.60, 112,025,721.60 and 49,111,660.80 is: 73,543,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,809,785.60 : 112,025,721.60 = 49,111,660.80 : x
  2. Step 2: Convert to fraction form
    74,809,785.60/112,025,721.60 = 49,111,660.80/x
  3. Step 3: Cross multiply
    74,809,785.60x = 112,025,721.60 × 49,111,660.80
  4. Step 4: Simplify right side
    74,809,785.60x = 5,501,769,240,094,433
  5. Step 5: Solve for x
    x = 5,501,769,240,094,433/74,809,785.60
  6. Step 6: Final answer
    x = 73,543,443.49

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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.