Home / 185,892,729.92-256,585,990.40-124,012,915.84

Finding the Fourth Proportional to 185,892,729.92, 256,585,990.40 and 124,012,915.84

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Solution

The fourth proportional to 185,892,729.92, 256,585,990.40 and 124,012,915.84 is: 171,173,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,892,729.92 : 256,585,990.40 = 124,012,915.84 : x
  2. Step 2: Convert to fraction form
    185,892,729.92/256,585,990.40 = 124,012,915.84/x
  3. Step 3: Cross multiply
    185,892,729.92x = 256,585,990.40 × 124,012,915.84
  4. Step 4: Simplify right side
    185,892,729.92x = 31,819,976,833,198,248
  5. Step 5: Solve for x
    x = 31,819,976,833,198,248/185,892,729.92
  6. Step 6: Final answer
    x = 171,173,863.80

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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.