Home / 255,612,120.60-383,670,123.30-126,365,669.40

Finding the Fourth Proportional to 255,612,120.60, 383,670,123.30 and 126,365,669.40

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Solution

The fourth proportional to 255,612,120.60, 383,670,123.30 and 126,365,669.40 is: 189,673,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,612,120.60 : 383,670,123.30 = 126,365,669.40 : x
  2. Step 2: Convert to fraction form
    255,612,120.60/383,670,123.30 = 126,365,669.40/x
  3. Step 3: Cross multiply
    255,612,120.60x = 383,670,123.30 × 126,365,669.40
  4. Step 4: Simplify right side
    255,612,120.60x = 48,482,731,959,585,040
  5. Step 5: Solve for x
    x = 48,482,731,959,585,040/255,612,120.60
  6. Step 6: Final answer
    x = 189,673,055.59

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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.