Home / 253,599,722.18-380,134,111.47-106,131,778.28

Finding the Fourth Proportional to 253,599,722.18, 380,134,111.47 and 106,131,778.28

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Solution

The fourth proportional to 253,599,722.18, 380,134,111.47 and 106,131,778.28 is: 159,086,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,599,722.18 : 380,134,111.47 = 106,131,778.28 : x
  2. Step 2: Convert to fraction form
    253,599,722.18/380,134,111.47 = 106,131,778.28/x
  3. Step 3: Cross multiply
    253,599,722.18x = 380,134,111.47 × 106,131,778.28
  4. Step 4: Simplify right side
    253,599,722.18x = 40,344,309,233,298,176
  5. Step 5: Solve for x
    x = 40,344,309,233,298,176/253,599,722.18
  6. Step 6: Final answer
    x = 159,086,567.16

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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.