Home / 79,224,021.70-118,836,032.55-55,037,551.30

Finding the Fourth Proportional to 79,224,021.70, 118,836,032.55 and 55,037,551.30

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Solution

The fourth proportional to 79,224,021.70, 118,836,032.55 and 55,037,551.30 is: 82,556,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224,021.70 : 118,836,032.55 = 55,037,551.30 : x
  2. Step 2: Convert to fraction form
    79,224,021.70/118,836,032.55 = 55,037,551.30/x
  3. Step 3: Cross multiply
    79,224,021.70x = 118,836,032.55 × 55,037,551.30
  4. Step 4: Simplify right side
    79,224,021.70x = 6,540,444,237,759,094
  5. Step 5: Solve for x
    x = 6,540,444,237,759,094/79,224,021.70
  6. Step 6: Final answer
    x = 82,556,326.95

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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.