Home / 130,361,622.80-195,542,434.20-65,640,419.60

Finding the Fourth Proportional to 130,361,622.80, 195,542,434.20 and 65,640,419.60

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Solution

The fourth proportional to 130,361,622.80, 195,542,434.20 and 65,640,419.60 is: 98,460,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,361,622.80 : 195,542,434.20 = 65,640,419.60 : x
  2. Step 2: Convert to fraction form
    130,361,622.80/195,542,434.20 = 65,640,419.60/x
  3. Step 3: Cross multiply
    130,361,622.80x = 195,542,434.20 × 65,640,419.60
  4. Step 4: Simplify right side
    130,361,622.80x = 12,835,487,430,493,390
  5. Step 5: Solve for x
    x = 12,835,487,430,493,390/130,361,622.80
  6. Step 6: Final answer
    x = 98,460,629.40

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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.