Home / 142,086,567.87-196,077,394.04-79,363,558.26

Finding the Fourth Proportional to 142,086,567.87, 196,077,394.04 and 79,363,558.26

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Solution

The fourth proportional to 142,086,567.87, 196,077,394.04 and 79,363,558.26 is: 109,520,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,086,567.87 : 196,077,394.04 = 79,363,558.26 : x
  2. Step 2: Convert to fraction form
    142,086,567.87/196,077,394.04 = 79,363,558.26/x
  3. Step 3: Cross multiply
    142,086,567.87x = 196,077,394.04 × 79,363,558.26
  4. Step 4: Simplify right side
    142,086,567.87x = 15,561,399,684,965,700
  5. Step 5: Solve for x
    x = 15,561,399,684,965,700/142,086,567.87
  6. Step 6: Final answer
    x = 109,520,554.39

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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.