Home / 43,775,738.20-65,663,607.30-13,479,664.60

Finding the Fourth Proportional to 43,775,738.20, 65,663,607.30 and 13,479,664.60

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Solution

The fourth proportional to 43,775,738.20, 65,663,607.30 and 13,479,664.60 is: 20,219,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,775,738.20 : 65,663,607.30 = 13,479,664.60 : x
  2. Step 2: Convert to fraction form
    43,775,738.20/65,663,607.30 = 13,479,664.60/x
  3. Step 3: Cross multiply
    43,775,738.20x = 65,663,607.30 × 13,479,664.60
  4. Step 4: Simplify right side
    43,775,738.20x = 885,123,402,830,111.50
  5. Step 5: Solve for x
    x = 885,123,402,830,111.50/43,775,738.20
  6. Step 6: Final answer
    x = 20,219,496.90

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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.