Home / 219,026,131.20-328,539,196.80-132,861,830.40

Finding the Fourth Proportional to 219,026,131.20, 328,539,196.80 and 132,861,830.40

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Solution

The fourth proportional to 219,026,131.20, 328,539,196.80 and 132,861,830.40 is: 199,292,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026,131.20 : 328,539,196.80 = 132,861,830.40 : x
  2. Step 2: Convert to fraction form
    219,026,131.20/328,539,196.80 = 132,861,830.40/x
  3. Step 3: Cross multiply
    219,026,131.20x = 328,539,196.80 × 132,861,830.40
  4. Step 4: Simplify right side
    219,026,131.20x = 43,650,319,044,993,824
  5. Step 5: Solve for x
    x = 43,650,319,044,993,824/219,026,131.20
  6. Step 6: Final answer
    x = 199,292,745.60

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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.