Home / 213,654,588.23-294,836,997.26-118,289,345.79

Finding the Fourth Proportional to 213,654,588.23, 294,836,997.26 and 118,289,345.79

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Solution

The fourth proportional to 213,654,588.23, 294,836,997.26 and 118,289,345.79 is: 163,235,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,654,588.23 : 294,836,997.26 = 118,289,345.79 : x
  2. Step 2: Convert to fraction form
    213,654,588.23/294,836,997.26 = 118,289,345.79/x
  3. Step 3: Cross multiply
    213,654,588.23x = 294,836,997.26 × 118,289,345.79
  4. Step 4: Simplify right side
    213,654,588.23x = 34,876,075,521,974,784
  5. Step 5: Solve for x
    x = 34,876,075,521,974,784/213,654,588.23
  6. Step 6: Final answer
    x = 163,235,790.12

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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.