Home / 45,937,280.28-68,902,304.58-20,028,970.20

Finding the Fourth Proportional to 45,937,280.28, 68,902,304.58 and 20,028,970.20

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Solution

The fourth proportional to 45,937,280.28, 68,902,304.58 and 20,028,970.20 is: 30,041,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937,280.28 : 68,902,304.58 = 20,028,970.20 : x
  2. Step 2: Convert to fraction form
    45,937,280.28/68,902,304.58 = 20,028,970.20/x
  3. Step 3: Cross multiply
    45,937,280.28x = 68,902,304.58 × 20,028,970.20
  4. Step 4: Simplify right side
    45,937,280.28x = 1,380,042,205,144,143.50
  5. Step 5: Solve for x
    x = 1,380,042,205,144,143.50/45,937,280.28
  6. Step 6: Final answer
    x = 30,041,878.77

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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.