Home / 217,671,258.25-300,386,336.43-119,886,114.25

Finding the Fourth Proportional to 217,671,258.25, 300,386,336.43 and 119,886,114.25

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Solution

The fourth proportional to 217,671,258.25, 300,386,336.43 and 119,886,114.25 is: 165,442,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,671,258.25 : 300,386,336.43 = 119,886,114.25 : x
  2. Step 2: Convert to fraction form
    217,671,258.25/300,386,336.43 = 119,886,114.25/x
  3. Step 3: Cross multiply
    217,671,258.25x = 300,386,336.43 × 119,886,114.25
  4. Step 4: Simplify right side
    217,671,258.25x = 36,012,150,648,385,916
  5. Step 5: Solve for x
    x = 36,012,150,648,385,916/217,671,258.25
  6. Step 6: Final answer
    x = 165,442,837.69

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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.