Home / 111,991,447.40-167,987,171.10-31,212,415.40

Finding the Fourth Proportional to 111,991,447.40, 167,987,171.10 and 31,212,415.40

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Solution

The fourth proportional to 111,991,447.40, 167,987,171.10 and 31,212,415.40 is: 46,818,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,991,447.40 : 167,987,171.10 = 31,212,415.40 : x
  2. Step 2: Convert to fraction form
    111,991,447.40/167,987,171.10 = 31,212,415.40/x
  3. Step 3: Cross multiply
    111,991,447.40x = 167,987,171.10 × 31,212,415.40
  4. Step 4: Simplify right side
    111,991,447.40x = 5,243,285,366,244,075
  5. Step 5: Solve for x
    x = 5,243,285,366,244,075/111,991,447.40
  6. Step 6: Final answer
    x = 46,818,623.10

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1.5x scale

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.