Home / 50,347,009.28-69,453,720.36-31,785,152.96

Finding the Fourth Proportional to 50,347,009.28, 69,453,720.36 and 31,785,152.96

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Solution

The fourth proportional to 50,347,009.28, 69,453,720.36 and 31,785,152.96 is: 43,847,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347,009.28 : 69,453,720.36 = 31,785,152.96 : x
  2. Step 2: Convert to fraction form
    50,347,009.28/69,453,720.36 = 31,785,152.96/x
  3. Step 3: Cross multiply
    50,347,009.28x = 69,453,720.36 × 31,785,152.96
  4. Step 4: Simplify right side
    50,347,009.28x = 2,207,597,125,283,666.25
  5. Step 5: Solve for x
    x = 2,207,597,125,283,666.25/50,347,009.28
  6. Step 6: Final answer
    x = 43,847,631.80

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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.