Home / 117,401,151.96-162,028,536.46-70,991,738

Finding the Fourth Proportional to 117,401,151.96, 162,028,536.46 and 70,991,738

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Solution

The fourth proportional to 117,401,151.96, 162,028,536.46 and 70,991,738 is: 97,977,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,401,151.96 : 162,028,536.46 = 70,991,738 : x
  2. Step 2: Convert to fraction form
    117,401,151.96/162,028,536.46 = 70,991,738/x
  3. Step 3: Cross multiply
    117,401,151.96x = 162,028,536.46 × 70,991,738
  4. Step 4: Simplify right side
    117,401,151.96x = 11,502,687,408,891,768
  5. Step 5: Solve for x
    x = 11,502,687,408,891,768/117,401,151.96
  6. Step 6: Final answer
    x = 97,977,636.65

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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.