Home / 72,529,276.40-108,699,436.20-29,363,145.20

Finding the Fourth Proportional to 72,529,276.40, 108,699,436.20 and 29,363,145.20

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Solution

The fourth proportional to 72,529,276.40, 108,699,436.20 and 29,363,145.20 is: 44,006,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529,276.40 : 108,699,436.20 = 29,363,145.20 : x
  2. Step 2: Convert to fraction form
    72,529,276.40/108,699,436.20 = 29,363,145.20/x
  3. Step 3: Cross multiply
    72,529,276.40x = 108,699,436.20 × 29,363,145.20
  4. Step 4: Simplify right side
    72,529,276.40x = 3,191,757,328,298,736
  5. Step 5: Solve for x
    x = 3,191,757,328,298,736/72,529,276.40
  6. Step 6: Final answer
    x = 44,006,468.65

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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.