Home / 69,984,334.80-104,976,502.20-55,529,139.60

Finding the Fourth Proportional to 69,984,334.80, 104,976,502.20 and 55,529,139.60

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Solution

The fourth proportional to 69,984,334.80, 104,976,502.20 and 55,529,139.60 is: 83,293,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,334.80 : 104,976,502.20 = 55,529,139.60 : x
  2. Step 2: Convert to fraction form
    69,984,334.80/104,976,502.20 = 55,529,139.60/x
  3. Step 3: Cross multiply
    69,984,334.80x = 104,976,502.20 × 55,529,139.60
  4. Step 4: Simplify right side
    69,984,334.80x = 5,829,254,845,383,507
  5. Step 5: Solve for x
    x = 5,829,254,845,383,507/69,984,334.80
  6. Step 6: Final answer
    x = 83,293,709.40

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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.