Home / 243,684,976.69-336,289,830.20-149,551,940.47

Finding the Fourth Proportional to 243,684,976.69, 336,289,830.20 and 149,551,940.47

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Solution

The fourth proportional to 243,684,976.69, 336,289,830.20 and 149,551,940.47 is: 206,384,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,684,976.69 : 336,289,830.20 = 149,551,940.47 : x
  2. Step 2: Convert to fraction form
    243,684,976.69/336,289,830.20 = 149,551,940.47/x
  3. Step 3: Cross multiply
    243,684,976.69x = 336,289,830.20 × 149,551,940.47
  4. Step 4: Simplify right side
    243,684,976.69x = 50,292,796,666,736,808
  5. Step 5: Solve for x
    x = 50,292,796,666,736,808/243,684,976.69
  6. Step 6: Final answer
    x = 206,384,477.82

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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.