Home / 142,083,020.82-196,074,567.04-76,892,924.82

Finding the Fourth Proportional to 142,083,020.82, 196,074,567.04 and 76,892,924.82

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Solution

The fourth proportional to 142,083,020.82, 196,074,567.04 and 76,892,924.82 is: 106,112,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,083,020.82 : 196,074,567.04 = 76,892,924.82 : x
  2. Step 2: Convert to fraction form
    142,083,020.82/196,074,567.04 = 76,892,924.82/x
  3. Step 3: Cross multiply
    142,083,020.82x = 196,074,567.04 × 76,892,924.82
  4. Step 4: Simplify right side
    142,083,020.82x = 15,076,746,942,520,768
  5. Step 5: Solve for x
    x = 15,076,746,942,520,768/142,083,020.82
  6. Step 6: Final answer
    x = 106,112,235.34

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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.