Home / 216,553,362.30-298,765,122.30-142,253,930.16

Finding the Fourth Proportional to 216,553,362.30, 298,765,122.30 and 142,253,930.16

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Solution

The fourth proportional to 216,553,362.30, 298,765,122.30 and 142,253,930.16 is: 196,258,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,553,362.30 : 298,765,122.30 = 142,253,930.16 : x
  2. Step 2: Convert to fraction form
    216,553,362.30/298,765,122.30 = 142,253,930.16/x
  3. Step 3: Cross multiply
    216,553,362.30x = 298,765,122.30 × 142,253,930.16
  4. Step 4: Simplify right side
    216,553,362.30x = 42,500,512,841,908,056
  5. Step 5: Solve for x
    x = 42,500,512,841,908,056/216,553,362.30
  6. Step 6: Final answer
    x = 196,258,845.35

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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.