Home / 112,158,349.34-168,296,797.70-79,579,464.32

Finding the Fourth Proportional to 112,158,349.34, 168,296,797.70 and 79,579,464.32

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Solution

The fourth proportional to 112,158,349.34, 168,296,797.70 and 79,579,464.32 is: 119,411,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158,349.34 : 168,296,797.70 = 79,579,464.32 : x
  2. Step 2: Convert to fraction form
    112,158,349.34/168,296,797.70 = 79,579,464.32/x
  3. Step 3: Cross multiply
    112,158,349.34x = 168,296,797.70 × 79,579,464.32
  4. Step 4: Simplify right side
    112,158,349.34x = 13,392,969,007,737,406
  5. Step 5: Solve for x
    x = 13,392,969,007,737,406/112,158,349.34
  6. Step 6: Final answer
    x = 119,411,252.81

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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.