Home / 43,160,036.40-64,786,141.26-18,580,128.75

Finding the Fourth Proportional to 43,160,036.40, 64,786,141.26 and 18,580,128.75

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Solution

The fourth proportional to 43,160,036.40, 64,786,141.26 and 18,580,128.75 is: 27,890,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,160,036.40 : 64,786,141.26 = 18,580,128.75 : x
  2. Step 2: Convert to fraction form
    43,160,036.40/64,786,141.26 = 18,580,128.75/x
  3. Step 3: Cross multiply
    43,160,036.40x = 64,786,141.26 × 18,580,128.75
  4. Step 4: Simplify right side
    43,160,036.40x = 1,203,734,845,826,487.25
  5. Step 5: Solve for x
    x = 1,203,734,845,826,487.25/43,160,036.40
  6. Step 6: Final answer
    x = 27,890,033.15

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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.