Home / 102,106,922.37-140,908,452.17-55,697,382.69

Finding the Fourth Proportional to 102,106,922.37, 140,908,452.17 and 55,697,382.69

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Solution

The fourth proportional to 102,106,922.37, 140,908,452.17 and 55,697,382.69 is: 76,862,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106,922.37 : 140,908,452.17 = 55,697,382.69 : x
  2. Step 2: Convert to fraction form
    102,106,922.37/140,908,452.17 = 55,697,382.69/x
  3. Step 3: Cross multiply
    102,106,922.37x = 140,908,452.17 × 55,697,382.69
  4. Step 4: Simplify right side
    102,106,922.37x = 7,848,231,984,489,563
  5. Step 5: Solve for x
    x = 7,848,231,984,489,563/102,106,922.37
  6. Step 6: Final answer
    x = 76,862,878.66

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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.