Home / 144,324,600,542.16-199,168,145,977.38-78,330,776,285.05

Finding the Fourth Proportional to 144,324,600,542.16, 199,168,145,977.38 and 78,330,776,285.05

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Solution

The fourth proportional to 144,324,600,542.16, 199,168,145,977.38 and 78,330,776,285.05 is: 108,096,578,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,324,600,542.16 : 199,168,145,977.38 = 78,330,776,285.05 : x
  2. Step 2: Convert to fraction form
    144,324,600,542.16/199,168,145,977.38 = 78,330,776,285.05/x
  3. Step 3: Cross multiply
    144,324,600,542.16x = 199,168,145,977.38 × 78,330,776,285.05
  4. Step 4: Simplify right side
    144,324,600,542.16x = 15,600,995,485,661,937,008,640
  5. Step 5: Solve for x
    x = 15,600,995,485,661,937,008,640/144,324,600,542.16
  6. Step 6: Final answer
    x = 108,096,578,317.60

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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.