Home / 145,450,955.82-200,726,588.70-79,375,718.82

Finding the Fourth Proportional to 145,450,955.82, 200,726,588.70 and 79,375,718.82

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Solution

The fourth proportional to 145,450,955.82, 200,726,588.70 and 79,375,718.82 is: 109,540,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,450,955.82 : 200,726,588.70 = 79,375,718.82 : x
  2. Step 2: Convert to fraction form
    145,450,955.82/200,726,588.70 = 79,375,718.82/x
  3. Step 3: Cross multiply
    145,450,955.82x = 200,726,588.70 × 79,375,718.82
  4. Step 4: Simplify right side
    145,450,955.82x = 15,932,817,264,348,986
  5. Step 5: Solve for x
    x = 15,932,817,264,348,986/145,450,955.82
  6. Step 6: Final answer
    x = 109,540,822.02

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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.