Home / 104,647,421.60-156,971,132.40-100,224,432.80

Finding the Fourth Proportional to 104,647,421.60, 156,971,132.40 and 100,224,432.80

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Solution

The fourth proportional to 104,647,421.60, 156,971,132.40 and 100,224,432.80 is: 150,336,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,647,421.60 : 156,971,132.40 = 100,224,432.80 : x
  2. Step 2: Convert to fraction form
    104,647,421.60/156,971,132.40 = 100,224,432.80/x
  3. Step 3: Cross multiply
    104,647,421.60x = 156,971,132.40 × 100,224,432.80
  4. Step 4: Simplify right side
    104,647,421.60x = 15,732,342,710,763,702
  5. Step 5: Solve for x
    x = 15,732,342,710,763,702/104,647,421.60
  6. Step 6: Final answer
    x = 150,336,649.20

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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.