Home / 253,500,235.20-380,205,403.20-115,293,468.96

Finding the Fourth Proportional to 253,500,235.20, 380,205,403.20 and 115,293,468.96

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Solution

The fourth proportional to 253,500,235.20, 380,205,403.20 and 115,293,468.96 is: 172,919,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,500,235.20 : 380,205,403.20 = 115,293,468.96 : x
  2. Step 2: Convert to fraction form
    253,500,235.20/380,205,403.20 = 115,293,468.96/x
  3. Step 3: Cross multiply
    253,500,235.20x = 380,205,403.20 × 115,293,468.96
  4. Step 4: Simplify right side
    253,500,235.20x = 43,835,199,852,263,480
  5. Step 5: Solve for x
    x = 43,835,199,852,263,480/253,500,235.20
  6. Step 6: Final answer
    x = 172,919,760.08

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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.