Home / 112,023,736.61-154,594,660.43-61,793,718.42

Finding the Fourth Proportional to 112,023,736.61, 154,594,660.43 and 61,793,718.42

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Solution

The fourth proportional to 112,023,736.61, 154,594,660.43 and 61,793,718.42 is: 85,276,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023,736.61 : 154,594,660.43 = 61,793,718.42 : x
  2. Step 2: Convert to fraction form
    112,023,736.61/154,594,660.43 = 61,793,718.42/x
  3. Step 3: Cross multiply
    112,023,736.61x = 154,594,660.43 × 61,793,718.42
  4. Step 4: Simplify right side
    112,023,736.61x = 9,552,978,915,537,968
  5. Step 5: Solve for x
    x = 9,552,978,915,537,968/112,023,736.61
  6. Step 6: Final answer
    x = 85,276,381.64

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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.