Home / 123,042,995.20-184,635,351.60-46,421,012.80

Finding the Fourth Proportional to 123,042,995.20, 184,635,351.60 and 46,421,012.80

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Solution

The fourth proportional to 123,042,995.20, 184,635,351.60 and 46,421,012.80 is: 69,658,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,042,995.20 : 184,635,351.60 = 46,421,012.80 : x
  2. Step 2: Convert to fraction form
    123,042,995.20/184,635,351.60 = 46,421,012.80/x
  3. Step 3: Cross multiply
    123,042,995.20x = 184,635,351.60 × 46,421,012.80
  4. Step 4: Simplify right side
    123,042,995.20x = 8,570,960,019,956,100
  5. Step 5: Solve for x
    x = 8,570,960,019,956,100/123,042,995.20
  6. Step 6: Final answer
    x = 69,658,252.43

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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.