Home / 255,612,104.60-383,670,099.30-126,365,653.40

Finding the Fourth Proportional to 255,612,104.60, 383,670,099.30 and 126,365,653.40

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Solution

The fourth proportional to 255,612,104.60, 383,670,099.30 and 126,365,653.40 is: 189,673,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,612,104.60 : 383,670,099.30 = 126,365,653.40 : x
  2. Step 2: Convert to fraction form
    255,612,104.60/383,670,099.30 = 126,365,653.40/x
  3. Step 3: Cross multiply
    255,612,104.60x = 383,670,099.30 × 126,365,653.40
  4. Step 4: Simplify right side
    255,612,104.60x = 48,482,722,788,087,384
  5. Step 5: Solve for x
    x = 48,482,722,788,087,384/255,612,104.60
  6. Step 6: Final answer
    x = 189,673,031.58

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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.