Home / 142,046,107.06-196,002,610.77-86,262,517.30

Finding the Fourth Proportional to 142,046,107.06, 196,002,610.77 and 86,262,517.30

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Solution

The fourth proportional to 142,046,107.06, 196,002,610.77 and 86,262,517.30 is: 119,029,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,046,107.06 : 196,002,610.77 = 86,262,517.30 : x
  2. Step 2: Convert to fraction form
    142,046,107.06/196,002,610.77 = 86,262,517.30/x
  3. Step 3: Cross multiply
    142,046,107.06x = 196,002,610.77 × 86,262,517.30
  4. Step 4: Simplify right side
    142,046,107.06x = 16,907,678,602,392,292
  5. Step 5: Solve for x
    x = 16,907,678,602,392,292/142,046,107.06
  6. Step 6: Final answer
    x = 119,029,510.57

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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.