Home / 103,229,761.53-154,871,214.30-30,443,602.17

Finding the Fourth Proportional to 103,229,761.53, 154,871,214.30 and 30,443,602.17

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Solution

The fourth proportional to 103,229,761.53, 154,871,214.30 and 30,443,602.17 is: 45,673,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,229,761.53 : 154,871,214.30 = 30,443,602.17 : x
  2. Step 2: Convert to fraction form
    103,229,761.53/154,871,214.30 = 30,443,602.17/x
  3. Step 3: Cross multiply
    103,229,761.53x = 154,871,214.30 × 30,443,602.17
  4. Step 4: Simplify right side
    103,229,761.53x = 4,714,837,635,734,016
  5. Step 5: Solve for x
    x = 4,714,837,635,734,016/103,229,761.53
  6. Step 6: Final answer
    x = 45,673,239.63

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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.