Home / 120,003,579,792.54-165,589,719,136.47-65,795,863,777.02

Finding the Fourth Proportional to 120,003,579,792.54, 165,589,719,136.47 and 65,795,863,777.02

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Solution

The fourth proportional to 120,003,579,792.54, 165,589,719,136.47 and 65,795,863,777.02 is: 90,789,946,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003,579,792.54 : 165,589,719,136.47 = 65,795,863,777.02 : x
  2. Step 2: Convert to fraction form
    120,003,579,792.54/165,589,719,136.47 = 65,795,863,777.02/x
  3. Step 3: Cross multiply
    120,003,579,792.54x = 165,589,719,136.47 × 65,795,863,777.02
  4. Step 4: Simplify right side
    120,003,579,792.54x = 10,895,118,603,178,181,918,720
  5. Step 5: Solve for x
    x = 10,895,118,603,178,181,918,720/120,003,579,792.54
  6. Step 6: Final answer
    x = 90,789,946,616.70

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1.5x scale

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.