Home / 83,391,049,988.88-115,079,723,138.40-45,329,256,986.64

Finding the Fourth Proportional to 83,391,049,988.88, 115,079,723,138.40 and 45,329,256,986.64

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Solution

The fourth proportional to 83,391,049,988.88, 115,079,723,138.40 and 45,329,256,986.64 is: 62,554,414,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,391,049,988.88 : 115,079,723,138.40 = 45,329,256,986.64 : x
  2. Step 2: Convert to fraction form
    83,391,049,988.88/115,079,723,138.40 = 45,329,256,986.64/x
  3. Step 3: Cross multiply
    83,391,049,988.88x = 115,079,723,138.40 × 45,329,256,986.64
  4. Step 4: Simplify right side
    83,391,049,988.88x = 5,216,478,344,091,914,993,664
  5. Step 5: Solve for x
    x = 5,216,478,344,091,914,993,664/83,391,049,988.88
  6. Step 6: Final answer
    x = 62,554,414,949.66

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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.