Home / 216,438,581.09-298,677,239.99-117,317,200.32

Finding the Fourth Proportional to 216,438,581.09, 298,677,239.99 and 117,317,200.32

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Solution

The fourth proportional to 216,438,581.09, 298,677,239.99 and 117,317,200.32 is: 161,893,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,581.09 : 298,677,239.99 = 117,317,200.32 : x
  2. Step 2: Convert to fraction form
    216,438,581.09/298,677,239.99 = 117,317,200.32/x
  3. Step 3: Cross multiply
    216,438,581.09x = 298,677,239.99 × 117,317,200.32
  4. Step 4: Simplify right side
    216,438,581.09x = 35,039,977,594,202,504
  5. Step 5: Solve for x
    x = 35,039,977,594,202,504/216,438,581.09
  6. Step 6: Final answer
    x = 161,893,399.12

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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.