Home / 381,532,833.20-572,341,240.20-122,704,007.60

Finding the Fourth Proportional to 381,532,833.20, 572,341,240.20 and 122,704,007.60

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Solution

The fourth proportional to 381,532,833.20, 572,341,240.20 and 122,704,007.60 is: 184,069,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,532,833.20 : 572,341,240.20 = 122,704,007.60 : x
  2. Step 2: Convert to fraction form
    381,532,833.20/572,341,240.20 = 122,704,007.60/x
  3. Step 3: Cross multiply
    381,532,833.20x = 572,341,240.20 × 122,704,007.60
  4. Step 4: Simplify right side
    381,532,833.20x = 70,228,563,887,294,224
  5. Step 5: Solve for x
    x = 70,228,563,887,294,224/381,532,833.20
  6. Step 6: Final answer
    x = 184,069,515.85

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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.