Home / 82,159,754.13-113,384,003.45-45,490,328.37

Finding the Fourth Proportional to 82,159,754.13, 113,384,003.45 and 45,490,328.37

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Solution

The fourth proportional to 82,159,754.13, 113,384,003.45 and 45,490,328.37 is: 62,778,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,159,754.13 : 113,384,003.45 = 45,490,328.37 : x
  2. Step 2: Convert to fraction form
    82,159,754.13/113,384,003.45 = 45,490,328.37/x
  3. Step 3: Cross multiply
    82,159,754.13x = 113,384,003.45 × 45,490,328.37
  4. Step 4: Simplify right side
    82,159,754.13x = 5,157,875,548,845,713
  5. Step 5: Solve for x
    x = 5,157,875,548,845,713/82,159,754.13
  6. Step 6: Final answer
    x = 62,778,614.71

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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.