Home / 79,146,004.20-118,551,044.70-65,709,076.20

Finding the Fourth Proportional to 79,146,004.20, 118,551,044.70 and 65,709,076.20

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Solution

The fourth proportional to 79,146,004.20, 118,551,044.70 and 65,709,076.20 is: 98,424,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146,004.20 : 118,551,044.70 = 65,709,076.20 : x
  2. Step 2: Convert to fraction form
    79,146,004.20/118,551,044.70 = 65,709,076.20/x
  3. Step 3: Cross multiply
    79,146,004.20x = 118,551,044.70 × 65,709,076.20
  4. Step 4: Simplify right side
    79,146,004.20x = 7,789,879,629,781,907
  5. Step 5: Solve for x
    x = 7,789,879,629,781,907/79,146,004.20
  6. Step 6: Final answer
    x = 98,424,168.20

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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.