Home / 157,606,109,182.56-217,496,640,415.24-85,348,298,645.55

Finding the Fourth Proportional to 157,606,109,182.56, 217,496,640,415.24 and 85,348,298,645.55

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Solution

The fourth proportional to 157,606,109,182.56, 217,496,640,415.24 and 85,348,298,645.55 is: 117,780,765,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606,109,182.56 : 217,496,640,415.24 = 85,348,298,645.55 : x
  2. Step 2: Convert to fraction form
    157,606,109,182.56/217,496,640,415.24 = 85,348,298,645.55/x
  3. Step 3: Cross multiply
    157,606,109,182.56x = 217,496,640,415.24 × 85,348,298,645.55
  4. Step 4: Simplify right side
    157,606,109,182.56x = 18,562,968,220,563,702,546,432
  5. Step 5: Solve for x
    x = 18,562,968,220,563,702,546,432/157,606,109,182.56
  6. Step 6: Final answer
    x = 117,780,765,712.97

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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.