Home / 66,515,415.70-99,773,123.55-43,821,937.30

Finding the Fourth Proportional to 66,515,415.70, 99,773,123.55 and 43,821,937.30

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Solution

The fourth proportional to 66,515,415.70, 99,773,123.55 and 43,821,937.30 is: 65,732,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515,415.70 : 99,773,123.55 = 43,821,937.30 : x
  2. Step 2: Convert to fraction form
    66,515,415.70/99,773,123.55 = 43,821,937.30/x
  3. Step 3: Cross multiply
    66,515,415.70x = 99,773,123.55 × 43,821,937.30
  4. Step 4: Simplify right side
    66,515,415.70x = 4,372,251,564,433,253
  5. Step 5: Solve for x
    x = 4,372,251,564,433,253/66,515,415.70
  6. Step 6: Final answer
    x = 65,732,905.95

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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.