Home / 381,271,400.76-571,992,656.52-122,501,361.72

Finding the Fourth Proportional to 381,271,400.76, 571,992,656.52 and 122,501,361.72

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Solution

The fourth proportional to 381,271,400.76, 571,992,656.52 and 122,501,361.72 is: 183,779,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,271,400.76 : 571,992,656.52 = 122,501,361.72 : x
  2. Step 2: Convert to fraction form
    381,271,400.76/571,992,656.52 = 122,501,361.72/x
  3. Step 3: Cross multiply
    381,271,400.76x = 571,992,656.52 × 122,501,361.72
  4. Step 4: Simplify right side
    381,271,400.76x = 70,069,879,317,540,232
  5. Step 5: Solve for x
    x = 70,069,879,317,540,232/381,271,400.76
  6. Step 6: Final answer
    x = 183,779,531.27

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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.