Home / 43,736,455.20-65,604,682.80-21,011,872.80

Finding the Fourth Proportional to 43,736,455.20, 65,604,682.80 and 21,011,872.80

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Solution

The fourth proportional to 43,736,455.20, 65,604,682.80 and 21,011,872.80 is: 31,517,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,736,455.20 : 65,604,682.80 = 21,011,872.80 : x
  2. Step 2: Convert to fraction form
    43,736,455.20/65,604,682.80 = 21,011,872.80/x
  3. Step 3: Cross multiply
    43,736,455.20x = 65,604,682.80 × 21,011,872.80
  4. Step 4: Simplify right side
    43,736,455.20x = 1,378,477,250,077,947.75
  5. Step 5: Solve for x
    x = 1,378,477,250,077,947.75/43,736,455.20
  6. Step 6: Final answer
    x = 31,517,809.20

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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.