Home / 47,320,313.40-70,941,104.10-20,047,548.60

Finding the Fourth Proportional to 47,320,313.40, 70,941,104.10 and 20,047,548.60

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Solution

The fourth proportional to 47,320,313.40, 70,941,104.10 and 20,047,548.60 is: 30,054,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,313.40 : 70,941,104.10 = 20,047,548.60 : x
  2. Step 2: Convert to fraction form
    47,320,313.40/70,941,104.10 = 20,047,548.60/x
  3. Step 3: Cross multiply
    47,320,313.40x = 70,941,104.10 × 20,047,548.60
  4. Step 4: Simplify right side
    47,320,313.40x = 1,422,195,232,182,409.25
  5. Step 5: Solve for x
    x = 1,422,195,232,182,409.25/47,320,313.40
  6. Step 6: Final answer
    x = 30,054,645.25

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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.