Home / 142,064,107.20-213,096,160.80-51,190,660.80

Finding the Fourth Proportional to 142,064,107.20, 213,096,160.80 and 51,190,660.80

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Solution

The fourth proportional to 142,064,107.20, 213,096,160.80 and 51,190,660.80 is: 76,785,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,064,107.20 : 213,096,160.80 = 51,190,660.80 : x
  2. Step 2: Convert to fraction form
    142,064,107.20/213,096,160.80 = 51,190,660.80/x
  3. Step 3: Cross multiply
    142,064,107.20x = 213,096,160.80 × 51,190,660.80
  4. Step 4: Simplify right side
    142,064,107.20x = 10,908,533,285,295,056
  5. Step 5: Solve for x
    x = 10,908,533,285,295,056/142,064,107.20
  6. Step 6: Final answer
    x = 76,785,991.20

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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.