Home / 230,943,911.82-318,699,959.52-125,095,331.63

Finding the Fourth Proportional to 230,943,911.82, 318,699,959.52 and 125,095,331.63

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Solution

The fourth proportional to 230,943,911.82, 318,699,959.52 and 125,095,331.63 is: 172,630,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,943,911.82 : 318,699,959.52 = 125,095,331.63 : x
  2. Step 2: Convert to fraction form
    230,943,911.82/318,699,959.52 = 125,095,331.63/x
  3. Step 3: Cross multiply
    230,943,911.82x = 318,699,959.52 × 125,095,331.63
  4. Step 4: Simplify right side
    230,943,911.82x = 39,867,877,126,621,968
  5. Step 5: Solve for x
    x = 39,867,877,126,621,968/230,943,911.82
  6. Step 6: Final answer
    x = 172,630,128.30

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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.