Home / 266,755,372.56-368,160,919.88-153,703,212.20

Finding the Fourth Proportional to 266,755,372.56, 368,160,919.88 and 153,703,212.20

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Solution

The fourth proportional to 266,755,372.56, 368,160,919.88 and 153,703,212.20 is: 212,132,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,755,372.56 : 368,160,919.88 = 153,703,212.20 : x
  2. Step 2: Convert to fraction form
    266,755,372.56/368,160,919.88 = 153,703,212.20/x
  3. Step 3: Cross multiply
    266,755,372.56x = 368,160,919.88 × 153,703,212.20
  4. Step 4: Simplify right side
    266,755,372.56x = 56,587,515,992,062,832
  5. Step 5: Solve for x
    x = 56,587,515,992,062,832/266,755,372.56
  6. Step 6: Final answer
    x = 212,132,619.67

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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.