Home / 66,170,653.70-99,256,016.55-20,736,004.10

Finding the Fourth Proportional to 66,170,653.70, 99,256,016.55 and 20,736,004.10

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Solution

The fourth proportional to 66,170,653.70, 99,256,016.55 and 20,736,004.10 is: 31,104,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,170,653.70 : 99,256,016.55 = 20,736,004.10 : x
  2. Step 2: Convert to fraction form
    66,170,653.70/99,256,016.55 = 20,736,004.10/x
  3. Step 3: Cross multiply
    66,170,653.70x = 99,256,016.55 × 20,736,004.10
  4. Step 4: Simplify right side
    66,170,653.70x = 2,058,173,166,130,468
  5. Step 5: Solve for x
    x = 2,058,173,166,130,468/66,170,653.70
  6. Step 6: Final answer
    x = 31,104,017.43

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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.