Home / 123,493,721.32-170,393,876.58-71,271,695.08

Finding the Fourth Proportional to 123,493,721.32, 170,393,876.58 and 71,271,695.08

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Solution

The fourth proportional to 123,493,721.32, 170,393,876.58 and 71,271,695.08 is: 98,339,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,493,721.32 : 170,393,876.58 = 71,271,695.08 : x
  2. Step 2: Convert to fraction form
    123,493,721.32/170,393,876.58 = 71,271,695.08/x
  3. Step 3: Cross multiply
    123,493,721.32x = 170,393,876.58 × 71,271,695.08
  4. Step 4: Simplify right side
    123,493,721.32x = 12,144,260,415,108,914
  5. Step 5: Solve for x
    x = 12,144,260,415,108,914/123,493,721.32
  6. Step 6: Final answer
    x = 98,339,091.94

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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.