Home / 130,617,819.57-180,212,004.70-74,093,256.60

Finding the Fourth Proportional to 130,617,819.57, 180,212,004.70 and 74,093,256.60

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Solution

The fourth proportional to 130,617,819.57, 180,212,004.70 and 74,093,256.60 is: 102,225,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,617,819.57 : 180,212,004.70 = 74,093,256.60 : x
  2. Step 2: Convert to fraction form
    130,617,819.57/180,212,004.70 = 74,093,256.60/x
  3. Step 3: Cross multiply
    130,617,819.57x = 180,212,004.70 × 74,093,256.60
  4. Step 4: Simplify right side
    130,617,819.57x = 13,352,494,305,776,476
  5. Step 5: Solve for x
    x = 13,352,494,305,776,476/130,617,819.57
  6. Step 6: Final answer
    x = 102,225,671.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.