Home / 131,220,335.60-196,830,503.40-80,201,999.60

Finding the Fourth Proportional to 131,220,335.60, 196,830,503.40 and 80,201,999.60

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Solution

The fourth proportional to 131,220,335.60, 196,830,503.40 and 80,201,999.60 is: 120,302,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,335.60 : 196,830,503.40 = 80,201,999.60 : x
  2. Step 2: Convert to fraction form
    131,220,335.60/196,830,503.40 = 80,201,999.60/x
  3. Step 3: Cross multiply
    131,220,335.60x = 196,830,503.40 × 80,201,999.60
  4. Step 4: Simplify right side
    131,220,335.60x = 15,786,199,954,954,598
  5. Step 5: Solve for x
    x = 15,786,199,954,954,598/131,220,335.60
  6. Step 6: Final answer
    x = 120,302,999.40

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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.