Home / 145,058,835.12-200,195,301.24-108,325,633.20

Finding the Fourth Proportional to 145,058,835.12, 200,195,301.24 and 108,325,633.20

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Solution

The fourth proportional to 145,058,835.12, 200,195,301.24 and 108,325,633.20 is: 149,499,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058,835.12 : 200,195,301.24 = 108,325,633.20 : x
  2. Step 2: Convert to fraction form
    145,058,835.12/200,195,301.24 = 108,325,633.20/x
  3. Step 3: Cross multiply
    145,058,835.12x = 200,195,301.24 × 108,325,633.20
  4. Step 4: Simplify right side
    145,058,835.12x = 21,686,282,770,487,748
  5. Step 5: Solve for x
    x = 21,686,282,770,487,748/145,058,835.12
  6. Step 6: Final answer
    x = 149,499,909.83

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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.