Home / 168,759,473.49-253,148,954.72-65,129,216.58

Finding the Fourth Proportional to 168,759,473.49, 253,148,954.72 and 65,129,216.58

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Solution

The fourth proportional to 168,759,473.49, 253,148,954.72 and 65,129,216.58 is: 97,697,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,759,473.49 : 253,148,954.72 = 65,129,216.58 : x
  2. Step 2: Convert to fraction form
    168,759,473.49/253,148,954.72 = 65,129,216.58/x
  3. Step 3: Cross multiply
    168,759,473.49x = 253,148,954.72 × 65,129,216.58
  4. Step 4: Simplify right side
    168,759,473.49x = 16,487,393,098,633,846
  5. Step 5: Solve for x
    x = 16,487,393,098,633,846/168,759,473.49
  6. Step 6: Final answer
    x = 97,697,585.55

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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.