Home / 45,317,804.40-67,976,644.86-21,043,457.64

Finding the Fourth Proportional to 45,317,804.40, 67,976,644.86 and 21,043,457.64

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Solution

The fourth proportional to 45,317,804.40, 67,976,644.86 and 21,043,457.64 is: 31,565,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317,804.40 : 67,976,644.86 = 21,043,457.64 : x
  2. Step 2: Convert to fraction form
    45,317,804.40/67,976,644.86 = 21,043,457.64/x
  3. Step 3: Cross multiply
    45,317,804.40x = 67,976,644.86 × 21,043,457.64
  4. Step 4: Simplify right side
    45,317,804.40x = 1,430,463,646,620,733.75
  5. Step 5: Solve for x
    x = 1,430,463,646,620,733.75/45,317,804.40
  6. Step 6: Final answer
    x = 31,565,157.79

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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.