Home / 43,740,303.10-65,629,117.05-21,009,499.90

Finding the Fourth Proportional to 43,740,303.10, 65,629,117.05 and 21,009,499.90

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Solution

The fourth proportional to 43,740,303.10, 65,629,117.05 and 21,009,499.90 is: 31,523,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,303.10 : 65,629,117.05 = 21,009,499.90 : x
  2. Step 2: Convert to fraction form
    43,740,303.10/65,629,117.05 = 21,009,499.90/x
  3. Step 3: Cross multiply
    43,740,303.10x = 65,629,117.05 × 21,009,499.90
  4. Step 4: Simplify right side
    43,740,303.10x = 1,378,834,928,099,063.25
  5. Step 5: Solve for x
    x = 1,378,834,928,099,063.25/43,740,303.10
  6. Step 6: Final answer
    x = 31,523,213.84

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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.