Home / 217,249,979.40-325,874,969.10-189,189,894.60

Finding the Fourth Proportional to 217,249,979.40, 325,874,969.10 and 189,189,894.60

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Solution

The fourth proportional to 217,249,979.40, 325,874,969.10 and 189,189,894.60 is: 283,784,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,249,979.40 : 325,874,969.10 = 189,189,894.60 : x
  2. Step 2: Convert to fraction form
    217,249,979.40/325,874,969.10 = 189,189,894.60/x
  3. Step 3: Cross multiply
    217,249,979.40x = 325,874,969.10 × 189,189,894.60
  4. Step 4: Simplify right side
    217,249,979.40x = 61,652,251,056,807,256
  5. Step 5: Solve for x
    x = 61,652,251,056,807,256/217,249,979.40
  6. Step 6: Final answer
    x = 283,784,841.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.