Home / 144,765,963.60-217,148,945.40-122,091,147.60

Finding the Fourth Proportional to 144,765,963.60, 217,148,945.40 and 122,091,147.60

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Solution

The fourth proportional to 144,765,963.60, 217,148,945.40 and 122,091,147.60 is: 183,136,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,765,963.60 : 217,148,945.40 = 122,091,147.60 : x
  2. Step 2: Convert to fraction form
    144,765,963.60/217,148,945.40 = 122,091,147.60/x
  3. Step 3: Cross multiply
    144,765,963.60x = 217,148,945.40 × 122,091,147.60
  4. Step 4: Simplify right side
    144,765,963.60x = 26,511,963,944,015,740
  5. Step 5: Solve for x
    x = 26,511,963,944,015,740/144,765,963.60
  6. Step 6: Final answer
    x = 183,136,721.40

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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.