Home / 40,100,419.32-55,337,099.58-21,765,311.16

Finding the Fourth Proportional to 40,100,419.32, 55,337,099.58 and 21,765,311.16

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Solution

The fourth proportional to 40,100,419.32, 55,337,099.58 and 21,765,311.16 is: 30,035,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100,419.32 : 55,337,099.58 = 21,765,311.16 : x
  2. Step 2: Convert to fraction form
    40,100,419.32/55,337,099.58 = 21,765,311.16/x
  3. Step 3: Cross multiply
    40,100,419.32x = 55,337,099.58 × 21,765,311.16
  4. Step 4: Simplify right side
    40,100,419.32x = 1,204,429,191,050,605.25
  5. Step 5: Solve for x
    x = 1,204,429,191,050,605.25/40,100,419.32
  6. Step 6: Final answer
    x = 30,035,326.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.