Home / 298,643,776.29-412,152,941.16-164,707,891.65

Finding the Fourth Proportional to 298,643,776.29, 412,152,941.16 and 164,707,891.65

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Solution

The fourth proportional to 298,643,776.29, 412,152,941.16 and 164,707,891.65 is: 227,310,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,643,776.29 : 412,152,941.16 = 164,707,891.65 : x
  2. Step 2: Convert to fraction form
    298,643,776.29/412,152,941.16 = 164,707,891.65/x
  3. Step 3: Cross multiply
    298,643,776.29x = 412,152,941.16 × 164,707,891.65
  4. Step 4: Simplify right side
    298,643,776.29x = 67,884,841,975,810,112
  5. Step 5: Solve for x
    x = 67,884,841,975,810,112/298,643,776.29
  6. Step 6: Final answer
    x = 227,310,419.19

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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.