Home / 143,738,464.80-215,607,697.20-79,017,261.60

Finding the Fourth Proportional to 143,738,464.80, 215,607,697.20 and 79,017,261.60

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Solution

The fourth proportional to 143,738,464.80, 215,607,697.20 and 79,017,261.60 is: 118,525,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,738,464.80 : 215,607,697.20 = 79,017,261.60 : x
  2. Step 2: Convert to fraction form
    143,738,464.80/215,607,697.20 = 79,017,261.60/x
  3. Step 3: Cross multiply
    143,738,464.80x = 215,607,697.20 × 79,017,261.60
  4. Step 4: Simplify right side
    143,738,464.80x = 17,036,729,812,625,986
  5. Step 5: Solve for x
    x = 17,036,729,812,625,986/143,738,464.80
  6. Step 6: Final answer
    x = 118,525,892.40

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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.