Home / 111,909,845.60-167,864,768.40-31,130,813.60

Finding the Fourth Proportional to 111,909,845.60, 167,864,768.40 and 31,130,813.60

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Solution

The fourth proportional to 111,909,845.60, 167,864,768.40 and 31,130,813.60 is: 46,696,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,909,845.60 : 167,864,768.40 = 31,130,813.60 : x
  2. Step 2: Convert to fraction form
    111,909,845.60/167,864,768.40 = 31,130,813.60/x
  3. Step 3: Cross multiply
    111,909,845.60x = 167,864,768.40 × 31,130,813.60
  4. Step 4: Simplify right side
    111,909,845.60x = 5,225,766,815,067,571
  5. Step 5: Solve for x
    x = 5,225,766,815,067,571/111,909,845.60
  6. Step 6: Final answer
    x = 46,696,220.40

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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.