Home / 154,582,916.40-231,874,374.60-147,948,433.20

Finding the Fourth Proportional to 154,582,916.40, 231,874,374.60 and 147,948,433.20

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Solution

The fourth proportional to 154,582,916.40, 231,874,374.60 and 147,948,433.20 is: 221,922,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,582,916.40 : 231,874,374.60 = 147,948,433.20 : x
  2. Step 2: Convert to fraction form
    154,582,916.40/231,874,374.60 = 147,948,433.20/x
  3. Step 3: Cross multiply
    154,582,916.40x = 231,874,374.60 × 147,948,433.20
  4. Step 4: Simplify right side
    154,582,916.40x = 34,305,450,421,299,872
  5. Step 5: Solve for x
    x = 34,305,450,421,299,872/154,582,916.40
  6. Step 6: Final answer
    x = 221,922,649.80

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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.