Home / 72,219,323.52-108,345,081.60-33,860,393.28

Finding the Fourth Proportional to 72,219,323.52, 108,345,081.60 and 33,860,393.28

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Solution

The fourth proportional to 72,219,323.52, 108,345,081.60 and 33,860,393.28 is: 50,798,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,219,323.52 : 108,345,081.60 = 33,860,393.28 : x
  2. Step 2: Convert to fraction form
    72,219,323.52/108,345,081.60 = 33,860,393.28/x
  3. Step 3: Cross multiply
    72,219,323.52x = 108,345,081.60 × 33,860,393.28
  4. Step 4: Simplify right side
    72,219,323.52x = 3,668,607,072,929,691.50
  5. Step 5: Solve for x
    x = 3,668,607,072,929,691.50/72,219,323.52
  6. Step 6: Final answer
    x = 50,798,136.76

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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.