Home / 70,656,015.40-105,987,522.30-36,643,791.40

Finding the Fourth Proportional to 70,656,015.40, 105,987,522.30 and 36,643,791.40

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Solution

The fourth proportional to 70,656,015.40, 105,987,522.30 and 36,643,791.40 is: 54,967,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,656,015.40 : 105,987,522.30 = 36,643,791.40 : x
  2. Step 2: Convert to fraction form
    70,656,015.40/105,987,522.30 = 36,643,791.40/x
  3. Step 3: Cross multiply
    70,656,015.40x = 105,987,522.30 × 36,643,791.40
  4. Step 4: Simplify right side
    70,656,015.40x = 3,883,784,658,164,048
  5. Step 5: Solve for x
    x = 3,883,784,658,164,048/70,656,015.40
  6. Step 6: Final answer
    x = 54,967,501.86

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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.