Home / 117,922,175.20-176,715,301.20-86,975,250.40

Finding the Fourth Proportional to 117,922,175.20, 176,715,301.20 and 86,975,250.40

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Solution

The fourth proportional to 117,922,175.20, 176,715,301.20 and 86,975,250.40 is: 130,338,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922,175.20 : 176,715,301.20 = 86,975,250.40 : x
  2. Step 2: Convert to fraction form
    117,922,175.20/176,715,301.20 = 86,975,250.40/x
  3. Step 3: Cross multiply
    117,922,175.20x = 176,715,301.20 × 86,975,250.40
  4. Step 4: Simplify right side
    117,922,175.20x = 15,369,857,571,381,420
  5. Step 5: Solve for x
    x = 15,369,857,571,381,420/117,922,175.20
  6. Step 6: Final answer
    x = 130,338,993.03

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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.