Home / 61,238,999.40-91,858,499.10-50,468,461.80

Finding the Fourth Proportional to 61,238,999.40, 91,858,499.10 and 50,468,461.80

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Solution

The fourth proportional to 61,238,999.40, 91,858,499.10 and 50,468,461.80 is: 75,702,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,999.40 : 91,858,499.10 = 50,468,461.80 : x
  2. Step 2: Convert to fraction form
    61,238,999.40/91,858,499.10 = 50,468,461.80/x
  3. Step 3: Cross multiply
    61,238,999.40x = 91,858,499.10 × 50,468,461.80
  4. Step 4: Simplify right side
    61,238,999.40x = 4,635,957,152,833,684
  5. Step 5: Solve for x
    x = 4,635,957,152,833,684/61,238,999.40
  6. Step 6: Final answer
    x = 75,702,692.70

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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.