Home / 221,266,345.12-305,339,552.74-122,144,964.77

Finding the Fourth Proportional to 221,266,345.12, 305,339,552.74 and 122,144,964.77

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Solution

The fourth proportional to 221,266,345.12, 305,339,552.74 and 122,144,964.77 is: 168,555,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,266,345.12 : 305,339,552.74 = 122,144,964.77 : x
  2. Step 2: Convert to fraction form
    221,266,345.12/305,339,552.74 = 122,144,964.77/x
  3. Step 3: Cross multiply
    221,266,345.12x = 305,339,552.74 × 122,144,964.77
  4. Step 4: Simplify right side
    221,266,345.12x = 37,295,688,913,229,664
  5. Step 5: Solve for x
    x = 37,295,688,913,229,664/221,266,345.12
  6. Step 6: Final answer
    x = 168,555,633.23

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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.