Home / 255,744,256.40-383,175,485.40-119,149,485.20

Finding the Fourth Proportional to 255,744,256.40, 383,175,485.40 and 119,149,485.20

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Solution

The fourth proportional to 255,744,256.40, 383,175,485.40 and 119,149,485.20 is: 178,518,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,744,256.40 : 383,175,485.40 = 119,149,485.20 : x
  2. Step 2: Convert to fraction form
    255,744,256.40/383,175,485.40 = 119,149,485.20/x
  3. Step 3: Cross multiply
    255,744,256.40x = 383,175,485.40 × 119,149,485.20
  4. Step 4: Simplify right side
    255,744,256.40x = 45,655,161,826,670,112
  5. Step 5: Solve for x
    x = 45,655,161,826,670,112/255,744,256.40
  6. Step 6: Final answer
    x = 178,518,815.90

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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.