Home / 125,247,126.72-172,842,438.24-69,493,556.16

Finding the Fourth Proportional to 125,247,126.72, 172,842,438.24 and 69,493,556.16

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Solution

The fourth proportional to 125,247,126.72, 172,842,438.24 and 69,493,556.16 is: 95,901,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,247,126.72 : 172,842,438.24 = 69,493,556.16 : x
  2. Step 2: Convert to fraction form
    125,247,126.72/172,842,438.24 = 69,493,556.16/x
  3. Step 3: Cross multiply
    125,247,126.72x = 172,842,438.24 × 69,493,556.16
  4. Step 4: Simplify right side
    125,247,126.72x = 12,011,435,688,662,772
  5. Step 5: Solve for x
    x = 12,011,435,688,662,772/125,247,126.72
  6. Step 6: Final answer
    x = 95,901,886.16

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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.