Home / 66,715,321.67-92,019,682.83-61,226,423.09

Finding the Fourth Proportional to 66,715,321.67, 92,019,682.83 and 61,226,423.09

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Solution

The fourth proportional to 66,715,321.67, 92,019,682.83 and 61,226,423.09 is: 84,448,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715,321.67 : 92,019,682.83 = 61,226,423.09 : x
  2. Step 2: Convert to fraction form
    66,715,321.67/92,019,682.83 = 61,226,423.09/x
  3. Step 3: Cross multiply
    66,715,321.67x = 92,019,682.83 × 61,226,423.09
  4. Step 4: Simplify right side
    66,715,321.67x = 5,634,036,033,097,090
  5. Step 5: Solve for x
    x = 5,634,036,033,097,090/66,715,321.67
  6. Step 6: Final answer
    x = 84,448,907.57

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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.