Home / 343,911,293.88-515,946,635.24-98,271,128.04

Finding the Fourth Proportional to 343,911,293.88, 515,946,635.24 and 98,271,128.04

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Solution

The fourth proportional to 343,911,293.88, 515,946,635.24 and 98,271,128.04 is: 147,429,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,911,293.88 : 515,946,635.24 = 98,271,128.04 : x
  2. Step 2: Convert to fraction form
    343,911,293.88/515,946,635.24 = 98,271,128.04/x
  3. Step 3: Cross multiply
    343,911,293.88x = 515,946,635.24 × 98,271,128.04
  4. Step 4: Simplify right side
    343,911,293.88x = 50,702,657,852,985,864
  5. Step 5: Solve for x
    x = 50,702,657,852,985,864/343,911,293.88
  6. Step 6: Final answer
    x = 147,429,464.39

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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.