Home / 255,436,407.60-383,154,611.40-112,109,175.60

Finding the Fourth Proportional to 255,436,407.60, 383,154,611.40 and 112,109,175.60

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Solution

The fourth proportional to 255,436,407.60, 383,154,611.40 and 112,109,175.60 is: 168,163,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,436,407.60 : 383,154,611.40 = 112,109,175.60 : x
  2. Step 2: Convert to fraction form
    255,436,407.60/383,154,611.40 = 112,109,175.60/x
  3. Step 3: Cross multiply
    255,436,407.60x = 383,154,611.40 × 112,109,175.60
  4. Step 4: Simplify right side
    255,436,407.60x = 42,955,147,611,392,360
  5. Step 5: Solve for x
    x = 42,955,147,611,392,360/255,436,407.60
  6. Step 6: Final answer
    x = 168,163,763.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.