Home / 312,032,622.36-429,911,680.14-205,997,189.16

Finding the Fourth Proportional to 312,032,622.36, 429,911,680.14 and 205,997,189.16

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Solution

The fourth proportional to 312,032,622.36, 429,911,680.14 and 205,997,189.16 is: 283,818,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,032,622.36 : 429,911,680.14 = 205,997,189.16 : x
  2. Step 2: Convert to fraction form
    312,032,622.36/429,911,680.14 = 205,997,189.16/x
  3. Step 3: Cross multiply
    312,032,622.36x = 429,911,680.14 × 205,997,189.16
  4. Step 4: Simplify right side
    312,032,622.36x = 88,560,597,695,892,992
  5. Step 5: Solve for x
    x = 88,560,597,695,892,992/312,032,622.36
  6. Step 6: Final answer
    x = 283,818,393.81

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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.