Home / 164,011,530.78-226,340,636.04-90,677,396.70

Finding the Fourth Proportional to 164,011,530.78, 226,340,636.04 and 90,677,396.70

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Solution

The fourth proportional to 164,011,530.78, 226,340,636.04 and 90,677,396.70 is: 125,137,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,011,530.78 : 226,340,636.04 = 90,677,396.70 : x
  2. Step 2: Convert to fraction form
    164,011,530.78/226,340,636.04 = 90,677,396.70/x
  3. Step 3: Cross multiply
    164,011,530.78x = 226,340,636.04 × 90,677,396.70
  4. Step 4: Simplify right side
    164,011,530.78x = 20,523,979,643,529,396
  5. Step 5: Solve for x
    x = 20,523,979,643,529,396/164,011,530.78
  6. Step 6: Final answer
    x = 125,137,418.97

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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.