Home / 69,623,750.53-104,450,697.07-21,105,263.17

Finding the Fourth Proportional to 69,623,750.53, 104,450,697.07 and 21,105,263.17

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Solution

The fourth proportional to 69,623,750.53, 104,450,697.07 and 21,105,263.17 is: 31,662,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,623,750.53 : 104,450,697.07 = 21,105,263.17 : x
  2. Step 2: Convert to fraction form
    69,623,750.53/104,450,697.07 = 21,105,263.17/x
  3. Step 3: Cross multiply
    69,623,750.53x = 104,450,697.07 × 21,105,263.17
  4. Step 4: Simplify right side
    69,623,750.53x = 2,204,459,449,559,766.75
  5. Step 5: Solve for x
    x = 2,204,459,449,559,766.75/69,623,750.53
  6. Step 6: Final answer
    x = 31,662,463.35

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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.