Home / 100,341,504,029.80-150,512,256,044.70-81,766,294,762.60

Finding the Fourth Proportional to 100,341,504,029.80, 150,512,256,044.70 and 81,766,294,762.60

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Solution

The fourth proportional to 100,341,504,029.80, 150,512,256,044.70 and 81,766,294,762.60 is: 122,649,442,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,341,504,029.80 : 150,512,256,044.70 = 81,766,294,762.60 : x
  2. Step 2: Convert to fraction form
    100,341,504,029.80/150,512,256,044.70 = 81,766,294,762.60/x
  3. Step 3: Cross multiply
    100,341,504,029.80x = 150,512,256,044.70 × 81,766,294,762.60
  4. Step 4: Simplify right side
    100,341,504,029.80x = 12,306,829,493,134,866,513,920
  5. Step 5: Solve for x
    x = 12,306,829,493,134,866,513,920/100,341,504,029.80
  6. Step 6: Final answer
    x = 122,649,442,143.90

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1.5x scale

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.