Home / 56,354,738.20-84,532,107.30-20,448,280.60

Finding the Fourth Proportional to 56,354,738.20, 84,532,107.30 and 20,448,280.60

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Solution

The fourth proportional to 56,354,738.20, 84,532,107.30 and 20,448,280.60 is: 30,672,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354,738.20 : 84,532,107.30 = 20,448,280.60 : x
  2. Step 2: Convert to fraction form
    56,354,738.20/84,532,107.30 = 20,448,280.60/x
  3. Step 3: Cross multiply
    56,354,738.20x = 84,532,107.30 × 20,448,280.60
  4. Step 4: Simplify right side
    56,354,738.20x = 1,728,536,249,779,708.50
  5. Step 5: Solve for x
    x = 1,728,536,249,779,708.50/56,354,738.20
  6. Step 6: Final answer
    x = 30,672,420.90

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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.