Home / 74,846,532.80-112,269,799.20-42,485,931.20

Finding the Fourth Proportional to 74,846,532.80, 112,269,799.20 and 42,485,931.20

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Solution

The fourth proportional to 74,846,532.80, 112,269,799.20 and 42,485,931.20 is: 63,728,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,846,532.80 : 112,269,799.20 = 42,485,931.20 : x
  2. Step 2: Convert to fraction form
    74,846,532.80/112,269,799.20 = 42,485,931.20/x
  3. Step 3: Cross multiply
    74,846,532.80x = 112,269,799.20 × 42,485,931.20
  4. Step 4: Simplify right side
    74,846,532.80x = 4,769,886,964,649,016
  5. Step 5: Solve for x
    x = 4,769,886,964,649,016/74,846,532.80
  6. Step 6: Final answer
    x = 63,728,896.80

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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.