Home / 118,090,920.23-162,965,539.82-65,879,956.07

Finding the Fourth Proportional to 118,090,920.23, 162,965,539.82 and 65,879,956.07

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Solution

The fourth proportional to 118,090,920.23, 162,965,539.82 and 65,879,956.07 is: 90,914,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,090,920.23 : 162,965,539.82 = 65,879,956.07 : x
  2. Step 2: Convert to fraction form
    118,090,920.23/162,965,539.82 = 65,879,956.07/x
  3. Step 3: Cross multiply
    118,090,920.23x = 162,965,539.82 × 65,879,956.07
  4. Step 4: Simplify right side
    118,090,920.23x = 10,736,162,604,265,436
  5. Step 5: Solve for x
    x = 10,736,162,604,265,436/118,090,920.23
  6. Step 6: Final answer
    x = 90,914,378.37

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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.