Home / 123,493,720.82-170,393,875.89-71,271,694.58

Finding the Fourth Proportional to 123,493,720.82, 170,393,875.89 and 71,271,694.58

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Solution

The fourth proportional to 123,493,720.82, 170,393,875.89 and 71,271,694.58 is: 98,339,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,493,720.82 : 170,393,875.89 = 71,271,694.58 : x
  2. Step 2: Convert to fraction form
    123,493,720.82/170,393,875.89 = 71,271,694.58/x
  3. Step 3: Cross multiply
    123,493,720.82x = 170,393,875.89 × 71,271,694.58
  4. Step 4: Simplify right side
    123,493,720.82x = 12,144,260,280,734,504
  5. Step 5: Solve for x
    x = 12,144,260,280,734,504/123,493,720.82
  6. Step 6: Final answer
    x = 98,339,091.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.