Home / 86,231,004.40-129,346,506.60-43,106,863.60

Finding the Fourth Proportional to 86,231,004.40, 129,346,506.60 and 43,106,863.60

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Solution

The fourth proportional to 86,231,004.40, 129,346,506.60 and 43,106,863.60 is: 64,660,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231,004.40 : 129,346,506.60 = 43,106,863.60 : x
  2. Step 2: Convert to fraction form
    86,231,004.40/129,346,506.60 = 43,106,863.60/x
  3. Step 3: Cross multiply
    86,231,004.40x = 129,346,506.60 × 43,106,863.60
  4. Step 4: Simplify right side
    86,231,004.40x = 5,575,722,217,142,700
  5. Step 5: Solve for x
    x = 5,575,722,217,142,700/86,231,004.40
  6. Step 6: Final answer
    x = 64,660,295.40

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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.