Home / 70,492,669.68-105,721,063.80-21,961,477.56

Finding the Fourth Proportional to 70,492,669.68, 105,721,063.80 and 21,961,477.56

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Solution

The fourth proportional to 70,492,669.68, 105,721,063.80 and 21,961,477.56 is: 32,936,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,492,669.68 : 105,721,063.80 = 21,961,477.56 : x
  2. Step 2: Convert to fraction form
    70,492,669.68/105,721,063.80 = 21,961,477.56/x
  3. Step 3: Cross multiply
    70,492,669.68x = 105,721,063.80 × 21,961,477.56
  4. Step 4: Simplify right side
    70,492,669.68x = 2,321,790,770,263,028
  5. Step 5: Solve for x
    x = 2,321,790,770,263,028/70,492,669.68
  6. Step 6: Final answer
    x = 32,936,627.04

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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.