Home / 128,198,009,296.44-176,934,437,465.58-71,123,707,942.20

Finding the Fourth Proportional to 128,198,009,296.44, 176,934,437,465.58 and 71,123,707,942.20

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Solution

The fourth proportional to 128,198,009,296.44, 176,934,437,465.58 and 71,123,707,942.20 is: 98,162,470,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,198,009,296.44 : 176,934,437,465.58 = 71,123,707,942.20 : x
  2. Step 2: Convert to fraction form
    128,198,009,296.44/176,934,437,465.58 = 71,123,707,942.20/x
  3. Step 3: Cross multiply
    128,198,009,296.44x = 176,934,437,465.58 × 71,123,707,942.20
  4. Step 4: Simplify right side
    128,198,009,296.44x = 12,584,233,255,219,360,694,272
  5. Step 5: Solve for x
    x = 12,584,233,255,219,360,694,272/128,198,009,296.44
  6. Step 6: Final answer
    x = 98,162,470,106.07

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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.