Home / 72,353,379.60-108,530,069.40-61,950,422.03

Finding the Fourth Proportional to 72,353,379.60, 108,530,069.40 and 61,950,422.03

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Solution

The fourth proportional to 72,353,379.60, 108,530,069.40 and 61,950,422.03 is: 92,925,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,353,379.60 : 108,530,069.40 = 61,950,422.03 : x
  2. Step 2: Convert to fraction form
    72,353,379.60/108,530,069.40 = 61,950,422.03/x
  3. Step 3: Cross multiply
    72,353,379.60x = 108,530,069.40 × 61,950,422.03
  4. Step 4: Simplify right side
    72,353,379.60x = 6,723,483,601,732,539
  5. Step 5: Solve for x
    x = 6,723,483,601,732,539/72,353,379.60
  6. Step 6: Final answer
    x = 92,925,633.04

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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.