Home / 255,754,915.20-383,632,372.80-112,147,747.20

Finding the Fourth Proportional to 255,754,915.20, 383,632,372.80 and 112,147,747.20

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Solution

The fourth proportional to 255,754,915.20, 383,632,372.80 and 112,147,747.20 is: 168,221,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,754,915.20 : 383,632,372.80 = 112,147,747.20 : x
  2. Step 2: Convert to fraction form
    255,754,915.20/383,632,372.80 = 112,147,747.20/x
  3. Step 3: Cross multiply
    255,754,915.20x = 383,632,372.80 × 112,147,747.20
  4. Step 4: Simplify right side
    255,754,915.20x = 43,023,506,362,510,560
  5. Step 5: Solve for x
    x = 43,023,506,362,510,560/255,754,915.20
  6. Step 6: Final answer
    x = 168,221,620.80

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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.