Home / 103,273,194.40-154,909,791.60-87,347,946.40

Finding the Fourth Proportional to 103,273,194.40, 154,909,791.60 and 87,347,946.40

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Solution

The fourth proportional to 103,273,194.40, 154,909,791.60 and 87,347,946.40 is: 131,021,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,273,194.40 : 154,909,791.60 = 87,347,946.40 : x
  2. Step 2: Convert to fraction form
    103,273,194.40/154,909,791.60 = 87,347,946.40/x
  3. Step 3: Cross multiply
    103,273,194.40x = 154,909,791.60 × 87,347,946.40
  4. Step 4: Simplify right side
    103,273,194.40x = 13,531,052,173,511,970
  5. Step 5: Solve for x
    x = 13,531,052,173,511,970/103,273,194.40
  6. Step 6: Final answer
    x = 131,021,919.60

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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.