Home / 178,582,698.27-267,737,797.31-81,470,491.47

Finding the Fourth Proportional to 178,582,698.27, 267,737,797.31 and 81,470,491.47

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Solution

The fourth proportional to 178,582,698.27, 267,737,797.31 and 81,470,491.47 is: 122,143,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,582,698.27 : 267,737,797.31 = 81,470,491.47 : x
  2. Step 2: Convert to fraction form
    178,582,698.27/267,737,797.31 = 81,470,491.47/x
  3. Step 3: Cross multiply
    178,582,698.27x = 267,737,797.31 × 81,470,491.47
  4. Step 4: Simplify right side
    178,582,698.27x = 21,812,729,931,533,592
  5. Step 5: Solve for x
    x = 21,812,729,931,533,592/178,582,698.27
  6. Step 6: Final answer
    x = 122,143,579.10

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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.