Home / 309,013,104.72-463,447,747.92-115,015,882.08

Finding the Fourth Proportional to 309,013,104.72, 463,447,747.92 and 115,015,882.08

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Solution

The fourth proportional to 309,013,104.72, 463,447,747.92 and 115,015,882.08 is: 172,497,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,013,104.72 : 463,447,747.92 = 115,015,882.08 : x
  2. Step 2: Convert to fraction form
    309,013,104.72/463,447,747.92 = 115,015,882.08/x
  3. Step 3: Cross multiply
    309,013,104.72x = 463,447,747.92 × 115,015,882.08
  4. Step 4: Simplify right side
    309,013,104.72x = 53,303,851,525,008,288
  5. Step 5: Solve for x
    x = 53,303,851,525,008,288/309,013,104.72
  6. Step 6: Final answer
    x = 172,497,058.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.