Home / 188,740,884.96-260,409,785.76-121,731,488.64

Finding the Fourth Proportional to 188,740,884.96, 260,409,785.76 and 121,731,488.64

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Solution

The fourth proportional to 188,740,884.96, 260,409,785.76 and 121,731,488.64 is: 167,955,506.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,740,884.96 : 260,409,785.76 = 121,731,488.64 : x
  2. Step 2: Convert to fraction form
    188,740,884.96/260,409,785.76 = 121,731,488.64/x
  3. Step 3: Cross multiply
    188,740,884.96x = 260,409,785.76 × 121,731,488.64
  4. Step 4: Simplify right side
    188,740,884.96x = 31,700,070,876,988,272
  5. Step 5: Solve for x
    x = 31,700,070,876,988,272/188,740,884.96
  6. Step 6: Final answer
    x = 167,955,506.22

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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.