Home / 118,996,373.80-164,231,018.94-66,788,266.06

Finding the Fourth Proportional to 118,996,373.80, 164,231,018.94 and 66,788,266.06

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Solution

The fourth proportional to 118,996,373.80, 164,231,018.94 and 66,788,266.06 is: 92,176,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,996,373.80 : 164,231,018.94 = 66,788,266.06 : x
  2. Step 2: Convert to fraction form
    118,996,373.80/164,231,018.94 = 66,788,266.06/x
  3. Step 3: Cross multiply
    118,996,373.80x = 164,231,018.94 × 66,788,266.06
  4. Step 4: Simplify right side
    118,996,373.80x = 10,968,704,988,269,620
  5. Step 5: Solve for x
    x = 10,968,704,988,269,620/118,996,373.80
  6. Step 6: Final answer
    x = 92,176,800.33

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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.