Home / 248,257,223.55-342,590,782.95-136,758,494.21

Finding the Fourth Proportional to 248,257,223.55, 342,590,782.95 and 136,758,494.21

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Solution

The fourth proportional to 248,257,223.55, 342,590,782.95 and 136,758,494.21 is: 188,724,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,257,223.55 : 342,590,782.95 = 136,758,494.21 : x
  2. Step 2: Convert to fraction form
    248,257,223.55/342,590,782.95 = 136,758,494.21/x
  3. Step 3: Cross multiply
    248,257,223.55x = 342,590,782.95 × 136,758,494.21
  4. Step 4: Simplify right side
    248,257,223.55x = 46,852,199,604,753,992
  5. Step 5: Solve for x
    x = 46,852,199,604,753,992/248,257,223.55
  6. Step 6: Final answer
    x = 188,724,416.29

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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.