Home / 45,937,281.28-68,902,306.08-20,028,971.20

Finding the Fourth Proportional to 45,937,281.28, 68,902,306.08 and 20,028,971.20

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Solution

The fourth proportional to 45,937,281.28, 68,902,306.08 and 20,028,971.20 is: 30,041,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937,281.28 : 68,902,306.08 = 20,028,971.20 : x
  2. Step 2: Convert to fraction form
    45,937,281.28/68,902,306.08 = 20,028,971.20/x
  3. Step 3: Cross multiply
    45,937,281.28x = 68,902,306.08 × 20,028,971.20
  4. Step 4: Simplify right side
    45,937,281.28x = 1,380,042,304,089,904.75
  5. Step 5: Solve for x
    x = 1,380,042,304,089,904.75/45,937,281.28
  6. Step 6: Final answer
    x = 30,041,880.27

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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.