Home / 310,464,031.80-465,630,729.30-156,965,791.80

Finding the Fourth Proportional to 310,464,031.80, 465,630,729.30 and 156,965,791.80

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Solution

The fourth proportional to 310,464,031.80, 465,630,729.30 and 156,965,791.80 is: 235,415,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,464,031.80 : 465,630,729.30 = 156,965,791.80 : x
  2. Step 2: Convert to fraction form
    310,464,031.80/465,630,729.30 = 156,965,791.80/x
  3. Step 3: Cross multiply
    310,464,031.80x = 465,630,729.30 × 156,965,791.80
  4. Step 4: Simplify right side
    310,464,031.80x = 73,088,096,110,985,968
  5. Step 5: Solve for x
    x = 73,088,096,110,985,968/310,464,031.80
  6. Step 6: Final answer
    x = 235,415,663.73

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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.