Home / 105,731,878.20-158,594,327.46-43,481,038.20

Finding the Fourth Proportional to 105,731,878.20, 158,594,327.46 and 43,481,038.20

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Solution

The fourth proportional to 105,731,878.20, 158,594,327.46 and 43,481,038.20 is: 65,220,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,731,878.20 : 158,594,327.46 = 43,481,038.20 : x
  2. Step 2: Convert to fraction form
    105,731,878.20/158,594,327.46 = 43,481,038.20/x
  3. Step 3: Cross multiply
    105,731,878.20x = 158,594,327.46 × 43,481,038.20
  4. Step 4: Simplify right side
    105,731,878.20x = 6,895,846,010,591,570
  5. Step 5: Solve for x
    x = 6,895,846,010,591,570/105,731,878.20
  6. Step 6: Final answer
    x = 65,220,122.14

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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.