Home / 117,589,972.20-162,265,738.14-64,670,406

Finding the Fourth Proportional to 117,589,972.20, 162,265,738.14 and 64,670,406

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Solution

The fourth proportional to 117,589,972.20, 162,265,738.14 and 64,670,406 is: 89,240,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589,972.20 : 162,265,738.14 = 64,670,406 : x
  2. Step 2: Convert to fraction form
    117,589,972.20/162,265,738.14 = 64,670,406/x
  3. Step 3: Cross multiply
    117,589,972.20x = 162,265,738.14 × 64,670,406
  4. Step 4: Simplify right side
    117,589,972.20x = 10,493,791,165,403,484
  5. Step 5: Solve for x
    x = 10,493,791,165,403,484/117,589,972.20
  6. Step 6: Final answer
    x = 89,240,527.65

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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.