Home / 47,289,039.32-70,936,551.56-19,990,243.16

Finding the Fourth Proportional to 47,289,039.32, 70,936,551.56 and 19,990,243.16

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Solution

The fourth proportional to 47,289,039.32, 70,936,551.56 and 19,990,243.16 is: 29,986,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,039.32 : 70,936,551.56 = 19,990,243.16 : x
  2. Step 2: Convert to fraction form
    47,289,039.32/70,936,551.56 = 19,990,243.16/x
  3. Step 3: Cross multiply
    47,289,039.32x = 70,936,551.56 × 19,990,243.16
  4. Step 4: Simplify right side
    47,289,039.32x = 1,418,038,914,616,277.50
  5. Step 5: Solve for x
    x = 1,418,038,914,616,277.50/47,289,039.32
  6. Step 6: Final answer
    x = 29,986,629.78

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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.