Home / 124,484,912.20-186,727,368.30-67,089,284.20

Finding the Fourth Proportional to 124,484,912.20, 186,727,368.30 and 67,089,284.20

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Solution

The fourth proportional to 124,484,912.20, 186,727,368.30 and 67,089,284.20 is: 100,633,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,484,912.20 : 186,727,368.30 = 67,089,284.20 : x
  2. Step 2: Convert to fraction form
    124,484,912.20/186,727,368.30 = 67,089,284.20/x
  3. Step 3: Cross multiply
    124,484,912.20x = 186,727,368.30 × 67,089,284.20
  4. Step 4: Simplify right side
    124,484,912.20x = 12,527,405,479,796,772
  5. Step 5: Solve for x
    x = 12,527,405,479,796,772/124,484,912.20
  6. Step 6: Final answer
    x = 100,633,926.30

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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.