Home / 143,032,645.04-197,405,849.40-80,315,783.60

Finding the Fourth Proportional to 143,032,645.04, 197,405,849.40 and 80,315,783.60

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Solution

The fourth proportional to 143,032,645.04, 197,405,849.40 and 80,315,783.60 is: 110,847,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,032,645.04 : 197,405,849.40 = 80,315,783.60 : x
  2. Step 2: Convert to fraction form
    143,032,645.04/197,405,849.40 = 80,315,783.60/x
  3. Step 3: Cross multiply
    143,032,645.04x = 197,405,849.40 × 80,315,783.60
  4. Step 4: Simplify right side
    143,032,645.04x = 15,854,805,481,784,590
  5. Step 5: Solve for x
    x = 15,854,805,481,784,590/143,032,645.04
  6. Step 6: Final answer
    x = 110,847,460.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.