Home / 111,154,721.22-153,394,415.94-61,595,922.72

Finding the Fourth Proportional to 111,154,721.22, 153,394,415.94 and 61,595,922.72

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Solution

The fourth proportional to 111,154,721.22, 153,394,415.94 and 61,595,922.72 is: 85,002,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154,721.22 : 153,394,415.94 = 61,595,922.72 : x
  2. Step 2: Convert to fraction form
    111,154,721.22/153,394,415.94 = 61,595,922.72/x
  3. Step 3: Cross multiply
    111,154,721.22x = 153,394,415.94 × 61,595,922.72
  4. Step 4: Simplify right side
    111,154,721.22x = 9,448,470,589,919,776
  5. Step 5: Solve for x
    x = 9,448,470,589,919,776/111,154,721.22
  6. Step 6: Final answer
    x = 85,002,872.45

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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.