Home / 142,363,365.20-213,545,047.80-127,246,821.20

Finding the Fourth Proportional to 142,363,365.20, 213,545,047.80 and 127,246,821.20

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Solution

The fourth proportional to 142,363,365.20, 213,545,047.80 and 127,246,821.20 is: 190,870,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,363,365.20 : 213,545,047.80 = 127,246,821.20 : x
  2. Step 2: Convert to fraction form
    142,363,365.20/213,545,047.80 = 127,246,821.20/x
  3. Step 3: Cross multiply
    142,363,365.20x = 213,545,047.80 × 127,246,821.20
  4. Step 4: Simplify right side
    142,363,365.20x = 27,172,928,515,552,056
  5. Step 5: Solve for x
    x = 27,172,928,515,552,056/142,363,365.20
  6. Step 6: Final answer
    x = 190,870,231.80

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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.