Home / 255,648,793.60-383,473,190.40-102,318,515.20

Finding the Fourth Proportional to 255,648,793.60, 383,473,190.40 and 102,318,515.20

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Solution

The fourth proportional to 255,648,793.60, 383,473,190.40 and 102,318,515.20 is: 153,477,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,648,793.60 : 383,473,190.40 = 102,318,515.20 : x
  2. Step 2: Convert to fraction form
    255,648,793.60/383,473,190.40 = 102,318,515.20/x
  3. Step 3: Cross multiply
    255,648,793.60x = 383,473,190.40 × 102,318,515.20
  4. Step 4: Simplify right side
    255,648,793.60x = 39,236,407,460,734,896
  5. Step 5: Solve for x
    x = 39,236,407,460,734,896/255,648,793.60
  6. Step 6: Final answer
    x = 153,477,772.80

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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.