Home / 443,232,138.40-664,848,207.60-120,116,010.40

Finding the Fourth Proportional to 443,232,138.40, 664,848,207.60 and 120,116,010.40

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Solution

The fourth proportional to 443,232,138.40, 664,848,207.60 and 120,116,010.40 is: 180,174,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,138.40 : 664,848,207.60 = 120,116,010.40 : x
  2. Step 2: Convert to fraction form
    443,232,138.40/664,848,207.60 = 120,116,010.40/x
  3. Step 3: Cross multiply
    443,232,138.40x = 664,848,207.60 × 120,116,010.40
  4. Step 4: Simplify right side
    443,232,138.40x = 79,858,914,218,502,960
  5. Step 5: Solve for x
    x = 79,858,914,218,502,960/443,232,138.40
  6. Step 6: Final answer
    x = 180,174,015.60

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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.