Home / 271,947,973.60-407,921,454.96-85,216,215.52

Finding the Fourth Proportional to 271,947,973.60, 407,921,454.96 and 85,216,215.52

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Solution

The fourth proportional to 271,947,973.60, 407,921,454.96 and 85,216,215.52 is: 127,824,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,947,973.60 : 407,921,454.96 = 85,216,215.52 : x
  2. Step 2: Convert to fraction form
    271,947,973.60/407,921,454.96 = 85,216,215.52/x
  3. Step 3: Cross multiply
    271,947,973.60x = 407,921,454.96 × 85,216,215.52
  4. Step 4: Simplify right side
    271,947,973.60x = 34,761,522,621,103,328
  5. Step 5: Solve for x
    x = 34,761,522,621,103,328/271,947,973.60
  6. Step 6: Final answer
    x = 127,824,164.90

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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.