Home / 84,150,409.95-126,225,614.93-26,647,181.55

Finding the Fourth Proportional to 84,150,409.95, 126,225,614.93 and 26,647,181.55

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Solution

The fourth proportional to 84,150,409.95, 126,225,614.93 and 26,647,181.55 is: 39,970,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,150,409.95 : 126,225,614.93 = 26,647,181.55 : x
  2. Step 2: Convert to fraction form
    84,150,409.95/126,225,614.93 = 26,647,181.55/x
  3. Step 3: Cross multiply
    84,150,409.95x = 126,225,614.93 × 26,647,181.55
  4. Step 4: Simplify right side
    84,150,409.95x = 3,363,556,877,166,864.50
  5. Step 5: Solve for x
    x = 3,363,556,877,166,864.50/84,150,409.95
  6. Step 6: Final answer
    x = 39,970,772.33

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1.5x scale

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.