Home / 117,423,857.40-176,135,786.10-99,284,004.60

Finding the Fourth Proportional to 117,423,857.40, 176,135,786.10 and 99,284,004.60

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Solution

The fourth proportional to 117,423,857.40, 176,135,786.10 and 99,284,004.60 is: 148,926,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,423,857.40 : 176,135,786.10 = 99,284,004.60 : x
  2. Step 2: Convert to fraction form
    117,423,857.40/176,135,786.10 = 99,284,004.60/x
  3. Step 3: Cross multiply
    117,423,857.40x = 176,135,786.10 × 99,284,004.60
  4. Step 4: Simplify right side
    117,423,857.40x = 17,487,466,197,377,014
  5. Step 5: Solve for x
    x = 17,487,466,197,377,014/117,423,857.40
  6. Step 6: Final answer
    x = 148,926,006.90

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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.