Home / 84,017,040.40-125,975,794.20-43,706,256.40

Finding the Fourth Proportional to 84,017,040.40, 125,975,794.20 and 43,706,256.40

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Solution

The fourth proportional to 84,017,040.40, 125,975,794.20 and 43,706,256.40 is: 65,533,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017,040.40 : 125,975,794.20 = 43,706,256.40 : x
  2. Step 2: Convert to fraction form
    84,017,040.40/125,975,794.20 = 43,706,256.40/x
  3. Step 3: Cross multiply
    84,017,040.40x = 125,975,794.20 × 43,706,256.40
  4. Step 4: Simplify right side
    84,017,040.40x = 5,505,930,361,498,833
  5. Step 5: Solve for x
    x = 5,505,930,361,498,833/84,017,040.40
  6. Step 6: Final answer
    x = 65,533,495.77

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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.