Home / 158,790,087.84-238,006,606.32-80,848,213.20

Finding the Fourth Proportional to 158,790,087.84, 238,006,606.32 and 80,848,213.20

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Solution

The fourth proportional to 158,790,087.84, 238,006,606.32 and 80,848,213.20 is: 121,181,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,790,087.84 : 238,006,606.32 = 80,848,213.20 : x
  2. Step 2: Convert to fraction form
    158,790,087.84/238,006,606.32 = 80,848,213.20/x
  3. Step 3: Cross multiply
    158,790,087.84x = 238,006,606.32 × 80,848,213.20
  4. Step 4: Simplify right side
    158,790,087.84x = 19,242,408,850,767,828
  5. Step 5: Solve for x
    x = 19,242,408,850,767,828/158,790,087.84
  6. Step 6: Final answer
    x = 121,181,423.30

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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.