Home / 137,132,462.84-205,729,178.27-64,310,431.19

Finding the Fourth Proportional to 137,132,462.84, 205,729,178.27 and 64,310,431.19

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Solution

The fourth proportional to 137,132,462.84, 205,729,178.27 and 64,310,431.19 is: 96,479,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,132,462.84 : 205,729,178.27 = 64,310,431.19 : x
  2. Step 2: Convert to fraction form
    137,132,462.84/205,729,178.27 = 64,310,431.19/x
  3. Step 3: Cross multiply
    137,132,462.84x = 205,729,178.27 × 64,310,431.19
  4. Step 4: Simplify right side
    137,132,462.84x = 13,230,532,161,557,880
  5. Step 5: Solve for x
    x = 13,230,532,161,557,880/137,132,462.84
  6. Step 6: Final answer
    x = 96,479,942.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.