Home / 139,259,464,386.03-192,178,711,655.37-79,115,733,717.39

Finding the Fourth Proportional to 139,259,464,386.03, 192,178,711,655.37 and 79,115,733,717.39

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Solution

The fourth proportional to 139,259,464,386.03, 192,178,711,655.37 and 79,115,733,717.39 is: 109,180,082,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,259,464,386.03 : 192,178,711,655.37 = 79,115,733,717.39 : x
  2. Step 2: Convert to fraction form
    139,259,464,386.03/192,178,711,655.37 = 79,115,733,717.39/x
  3. Step 3: Cross multiply
    139,259,464,386.03x = 192,178,711,655.37 × 79,115,733,717.39
  4. Step 4: Simplify right side
    139,259,464,386.03x = 15,204,359,777,477,325,750,272
  5. Step 5: Solve for x
    x = 15,204,359,777,477,325,750,272/139,259,464,386.03
  6. Step 6: Final answer
    x = 109,180,082,262.35

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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.