Home / 309,013,257.60-463,447,976.40-115,016,034.96

Finding the Fourth Proportional to 309,013,257.60, 463,447,976.40 and 115,016,034.96

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Solution

The fourth proportional to 309,013,257.60, 463,447,976.40 and 115,016,034.96 is: 172,497,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,013,257.60 : 463,447,976.40 = 115,016,034.96 : x
  2. Step 2: Convert to fraction form
    309,013,257.60/463,447,976.40 = 115,016,034.96/x
  3. Step 3: Cross multiply
    309,013,257.60x = 463,447,976.40 × 115,016,034.96
  4. Step 4: Simplify right side
    309,013,257.60x = 53,303,948,655,763,648
  5. Step 5: Solve for x
    x = 53,303,948,655,763,648/309,013,257.60
  6. Step 6: Final answer
    x = 172,497,287.24

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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.