Home / 122,346,099.76-168,841,271.55-75,330,296.80

Finding the Fourth Proportional to 122,346,099.76, 168,841,271.55 and 75,330,296.80

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Solution

The fourth proportional to 122,346,099.76, 168,841,271.55 and 75,330,296.80 is: 103,958,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,346,099.76 : 168,841,271.55 = 75,330,296.80 : x
  2. Step 2: Convert to fraction form
    122,346,099.76/168,841,271.55 = 75,330,296.80/x
  3. Step 3: Cross multiply
    122,346,099.76x = 168,841,271.55 × 75,330,296.80
  4. Step 4: Simplify right side
    122,346,099.76x = 12,718,863,097,528,794
  5. Step 5: Solve for x
    x = 12,718,863,097,528,794/122,346,099.76
  6. Step 6: Final answer
    x = 103,958,059.33

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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.