Home / 105,171,192.72-145,143,760.68-58,127,254.25

Finding the Fourth Proportional to 105,171,192.72, 145,143,760.68 and 58,127,254.25

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Solution

The fourth proportional to 105,171,192.72, 145,143,760.68 and 58,127,254.25 is: 80,219,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,171,192.72 : 145,143,760.68 = 58,127,254.25 : x
  2. Step 2: Convert to fraction form
    105,171,192.72/145,143,760.68 = 58,127,254.25/x
  3. Step 3: Cross multiply
    105,171,192.72x = 145,143,760.68 × 58,127,254.25
  4. Step 4: Simplify right side
    105,171,192.72x = 8,436,808,279,121,794
  5. Step 5: Solve for x
    x = 8,436,808,279,121,794/105,171,192.72
  6. Step 6: Final answer
    x = 80,219,764.19

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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.