Home / 142,363,364.20-213,545,046.30-127,246,820.20

Finding the Fourth Proportional to 142,363,364.20, 213,545,046.30 and 127,246,820.20

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Solution

The fourth proportional to 142,363,364.20, 213,545,046.30 and 127,246,820.20 is: 190,870,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,363,364.20 : 213,545,046.30 = 127,246,820.20 : x
  2. Step 2: Convert to fraction form
    142,363,364.20/213,545,046.30 = 127,246,820.20/x
  3. Step 3: Cross multiply
    142,363,364.20x = 213,545,046.30 × 127,246,820.20
  4. Step 4: Simplify right side
    142,363,364.20x = 27,172,928,111,136,776
  5. Step 5: Solve for x
    x = 27,172,928,111,136,776/142,363,364.20
  6. Step 6: Final answer
    x = 190,870,230.30

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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.