Home / 216,438,581.38-298,677,240.38-117,317,200.60

Finding the Fourth Proportional to 216,438,581.38, 298,677,240.38 and 117,317,200.60

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Solution

The fourth proportional to 216,438,581.38, 298,677,240.38 and 117,317,200.60 is: 161,893,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,438,581.38 : 298,677,240.38 = 117,317,200.60 : x
  2. Step 2: Convert to fraction form
    216,438,581.38/298,677,240.38 = 117,317,200.60/x
  3. Step 3: Cross multiply
    216,438,581.38x = 298,677,240.38 × 117,317,200.60
  4. Step 4: Simplify right side
    216,438,581.38x = 35,039,977,724,156,776
  5. Step 5: Solve for x
    x = 35,039,977,724,156,776/216,438,581.38
  6. Step 6: Final answer
    x = 161,893,399.51

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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.