Home / 49,780,109.80-74,670,164.70-31,089,716.20

Finding the Fourth Proportional to 49,780,109.80, 74,670,164.70 and 31,089,716.20

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Solution

The fourth proportional to 49,780,109.80, 74,670,164.70 and 31,089,716.20 is: 46,634,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,780,109.80 : 74,670,164.70 = 31,089,716.20 : x
  2. Step 2: Convert to fraction form
    49,780,109.80/74,670,164.70 = 31,089,716.20/x
  3. Step 3: Cross multiply
    49,780,109.80x = 74,670,164.70 × 31,089,716.20
  4. Step 4: Simplify right side
    49,780,109.80x = 2,321,474,229,130,258
  5. Step 5: Solve for x
    x = 2,321,474,229,130,258/49,780,109.80
  6. Step 6: Final answer
    x = 46,634,574.30

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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.