Home / 147,198,123,275.05-203,133,410,510.61-79,532,713,493.14

Finding the Fourth Proportional to 147,198,123,275.05, 203,133,410,510.61 and 79,532,713,493.14

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Solution

The fourth proportional to 147,198,123,275.05, 203,133,410,510.61 and 79,532,713,493.14 is: 109,755,144,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,198,123,275.05 : 203,133,410,510.61 = 79,532,713,493.14 : x
  2. Step 2: Convert to fraction form
    147,198,123,275.05/203,133,410,510.61 = 79,532,713,493.14/x
  3. Step 3: Cross multiply
    147,198,123,275.05x = 203,133,410,510.61 × 79,532,713,493.14
  4. Step 4: Simplify right side
    147,198,123,275.05x = 16,155,751,339,024,736,845,824
  5. Step 5: Solve for x
    x = 16,155,751,339,024,736,845,824/147,198,123,275.05
  6. Step 6: Final answer
    x = 109,755,144,831.82

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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.