Home / 151,425,522.70-208,967,369.16-81,810,958.94

Finding the Fourth Proportional to 151,425,522.70, 208,967,369.16 and 81,810,958.94

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Solution

The fourth proportional to 151,425,522.70, 208,967,369.16 and 81,810,958.94 is: 112,899,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,425,522.70 : 208,967,369.16 = 81,810,958.94 : x
  2. Step 2: Convert to fraction form
    151,425,522.70/208,967,369.16 = 81,810,958.94/x
  3. Step 3: Cross multiply
    151,425,522.70x = 208,967,369.16 × 81,810,958.94
  4. Step 4: Simplify right side
    151,425,522.70x = 17,095,820,858,194,164
  5. Step 5: Solve for x
    x = 17,095,820,858,194,164/151,425,522.70
  6. Step 6: Final answer
    x = 112,899,203.21

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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.