Home / 120,003,579,799.52-165,589,719,146.12-65,795,863,784.04

Finding the Fourth Proportional to 120,003,579,799.52, 165,589,719,146.12 and 65,795,863,784.04

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Solution

The fourth proportional to 120,003,579,799.52, 165,589,719,146.12 and 65,795,863,784.04 is: 90,789,946,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003,579,799.52 : 165,589,719,146.12 = 65,795,863,784.04 : x
  2. Step 2: Convert to fraction form
    120,003,579,799.52/165,589,719,146.12 = 65,795,863,784.04/x
  3. Step 3: Cross multiply
    120,003,579,799.52x = 165,589,719,146.12 × 65,795,863,784.04
  4. Step 4: Simplify right side
    120,003,579,799.52x = 10,895,118,604,975,552,331,776
  5. Step 5: Solve for x
    x = 10,895,118,604,975,552,331,776/120,003,579,799.52
  6. Step 6: Final answer
    x = 90,789,946,626.40

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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.