Home / 147,374,013.03-203,372,546.49-81,293,064.45

Finding the Fourth Proportional to 147,374,013.03, 203,372,546.49 and 81,293,064.45

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Solution

The fourth proportional to 147,374,013.03, 203,372,546.49 and 81,293,064.45 is: 112,182,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374,013.03 : 203,372,546.49 = 81,293,064.45 : x
  2. Step 2: Convert to fraction form
    147,374,013.03/203,372,546.49 = 81,293,064.45/x
  3. Step 3: Cross multiply
    147,374,013.03x = 203,372,546.49 × 81,293,064.45
  4. Step 4: Simplify right side
    147,374,013.03x = 16,532,777,529,172,192
  5. Step 5: Solve for x
    x = 16,532,777,529,172,192/147,374,013.03
  6. Step 6: Final answer
    x = 112,182,447.84

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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.