Home / 124,702,238.23-172,095,086.78-68,946,626.95

Finding the Fourth Proportional to 124,702,238.23, 172,095,086.78 and 68,946,626.95

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Solution

The fourth proportional to 124,702,238.23, 172,095,086.78 and 68,946,626.95 is: 95,149,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,702,238.23 : 172,095,086.78 = 68,946,626.95 : x
  2. Step 2: Convert to fraction form
    124,702,238.23/172,095,086.78 = 68,946,626.95/x
  3. Step 3: Cross multiply
    124,702,238.23x = 172,095,086.78 × 68,946,626.95
  4. Step 4: Simplify right side
    124,702,238.23x = 11,865,375,748,148,538
  5. Step 5: Solve for x
    x = 11,865,375,748,148,538/124,702,238.23
  6. Step 6: Final answer
    x = 95,149,661.44

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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.