Home / 96,783,409.60-145,175,114.40-82,170,750.40

Finding the Fourth Proportional to 96,783,409.60, 145,175,114.40 and 82,170,750.40

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Solution

The fourth proportional to 96,783,409.60, 145,175,114.40 and 82,170,750.40 is: 123,256,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,783,409.60 : 145,175,114.40 = 82,170,750.40 : x
  2. Step 2: Convert to fraction form
    96,783,409.60/145,175,114.40 = 82,170,750.40/x
  3. Step 3: Cross multiply
    96,783,409.60x = 145,175,114.40 × 82,170,750.40
  4. Step 4: Simplify right side
    96,783,409.60x = 11,929,148,089,653,848
  5. Step 5: Solve for x
    x = 11,929,148,089,653,848/96,783,409.60
  6. Step 6: Final answer
    x = 123,256,125.60

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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.