Home / 291,100,550.49-401,715,717.57-158,941,137.96

Finding the Fourth Proportional to 291,100,550.49, 401,715,717.57 and 158,941,137.96

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Solution

The fourth proportional to 291,100,550.49, 401,715,717.57 and 158,941,137.96 is: 219,337,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,550.49 : 401,715,717.57 = 158,941,137.96 : x
  2. Step 2: Convert to fraction form
    291,100,550.49/401,715,717.57 = 158,941,137.96/x
  3. Step 3: Cross multiply
    291,100,550.49x = 401,715,717.57 × 158,941,137.96
  4. Step 4: Simplify right side
    291,100,550.49x = 63,849,153,286,993,768
  5. Step 5: Solve for x
    x = 63,849,153,286,993,768/291,100,550.49
  6. Step 6: Final answer
    x = 219,337,109.39

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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.