Home / 111,987,285.60-167,980,928.40-92,855,409.60

Finding the Fourth Proportional to 111,987,285.60, 167,980,928.40 and 92,855,409.60

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Solution

The fourth proportional to 111,987,285.60, 167,980,928.40 and 92,855,409.60 is: 139,283,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,987,285.60 : 167,980,928.40 = 92,855,409.60 : x
  2. Step 2: Convert to fraction form
    111,987,285.60/167,980,928.40 = 92,855,409.60/x
  3. Step 3: Cross multiply
    111,987,285.60x = 167,980,928.40 × 92,855,409.60
  4. Step 4: Simplify right side
    111,987,285.60x = 15,597,937,911,570,272
  5. Step 5: Solve for x
    x = 15,597,937,911,570,272/111,987,285.60
  6. Step 6: Final answer
    x = 139,283,114.40

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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.