Home / 111,551,267.20-167,326,900.80-67,902,246.40

Finding the Fourth Proportional to 111,551,267.20, 167,326,900.80 and 67,902,246.40

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Solution

The fourth proportional to 111,551,267.20, 167,326,900.80 and 67,902,246.40 is: 101,853,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,267.20 : 167,326,900.80 = 67,902,246.40 : x
  2. Step 2: Convert to fraction form
    111,551,267.20/167,326,900.80 = 67,902,246.40/x
  3. Step 3: Cross multiply
    111,551,267.20x = 167,326,900.80 × 67,902,246.40
  4. Step 4: Simplify right side
    111,551,267.20x = 11,361,872,447,469,958
  5. Step 5: Solve for x
    x = 11,361,872,447,469,958/111,551,267.20
  6. Step 6: Final answer
    x = 101,853,369.60

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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.