Home / 117,401,134.73-162,028,512.65-70,991,720.78

Finding the Fourth Proportional to 117,401,134.73, 162,028,512.65 and 70,991,720.78

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Solution

The fourth proportional to 117,401,134.73, 162,028,512.65 and 70,991,720.78 is: 97,977,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,401,134.73 : 162,028,512.65 = 70,991,720.78 : x
  2. Step 2: Convert to fraction form
    117,401,134.73/162,028,512.65 = 70,991,720.78/x
  3. Step 3: Cross multiply
    117,401,134.73x = 162,028,512.65 × 70,991,720.78
  4. Step 4: Simplify right side
    117,401,134.73x = 11,502,682,927,282,398
  5. Step 5: Solve for x
    x = 11,502,682,927,282,398/117,401,134.73
  6. Step 6: Final answer
    x = 97,977,612.86

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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.