Home / 147,198,123,338.41-203,133,410,598.22-79,532,713,556.74

Finding the Fourth Proportional to 147,198,123,338.41, 203,133,410,598.22 and 79,532,713,556.74

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Solution

The fourth proportional to 147,198,123,338.41, 203,133,410,598.22 and 79,532,713,556.74 is: 109,755,144,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,198,123,338.41 : 203,133,410,598.22 = 79,532,713,556.74 : x
  2. Step 2: Convert to fraction form
    147,198,123,338.41/203,133,410,598.22 = 79,532,713,556.74/x
  3. Step 3: Cross multiply
    147,198,123,338.41x = 203,133,410,598.22 × 79,532,713,556.74
  4. Step 4: Simplify right side
    147,198,123,338.41x = 16,155,751,358,911,886,655,488
  5. Step 5: Solve for x
    x = 16,155,751,358,911,886,655,488/147,198,123,338.41
  6. Step 6: Final answer
    x = 109,755,144,919.68

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Double scale
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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.