Home / 255,436,404.60-383,154,606.90-112,109,172.60

Finding the Fourth Proportional to 255,436,404.60, 383,154,606.90 and 112,109,172.60

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Solution

The fourth proportional to 255,436,404.60, 383,154,606.90 and 112,109,172.60 is: 168,163,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,436,404.60 : 383,154,606.90 = 112,109,172.60 : x
  2. Step 2: Convert to fraction form
    255,436,404.60/383,154,606.90 = 112,109,172.60/x
  3. Step 3: Cross multiply
    255,436,404.60x = 383,154,606.90 × 112,109,172.60
  4. Step 4: Simplify right side
    255,436,404.60x = 42,955,145,957,437,248
  5. Step 5: Solve for x
    x = 42,955,145,957,437,248/255,436,404.60
  6. Step 6: Final answer
    x = 168,163,758.90

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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.