Home / 298,841,379.07-412,402,535.48-164,879,288.56

Finding the Fourth Proportional to 298,841,379.07, 412,402,535.48 and 164,879,288.56

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Solution

The fourth proportional to 298,841,379.07, 412,402,535.48 and 164,879,288.56 is: 227,534,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,841,379.07 : 412,402,535.48 = 164,879,288.56 : x
  2. Step 2: Convert to fraction form
    298,841,379.07/412,402,535.48 = 164,879,288.56/x
  3. Step 3: Cross multiply
    298,841,379.07x = 412,402,535.48 × 164,879,288.56
  4. Step 4: Simplify right side
    298,841,379.07x = 67,996,636,650,282,560
  5. Step 5: Solve for x
    x = 67,996,636,650,282,560/298,841,379.07
  6. Step 6: Final answer
    x = 227,534,208.49

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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.