Home / 216,650,269.10-298,952,148.35-121,285,999.84

Finding the Fourth Proportional to 216,650,269.10, 298,952,148.35 and 121,285,999.84

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Solution

The fourth proportional to 216,650,269.10, 298,952,148.35 and 121,285,999.84 is: 167,360,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650,269.10 : 298,952,148.35 = 121,285,999.84 : x
  2. Step 2: Convert to fraction form
    216,650,269.10/298,952,148.35 = 121,285,999.84/x
  3. Step 3: Cross multiply
    216,650,269.10x = 298,952,148.35 × 121,285,999.84
  4. Step 4: Simplify right side
    216,650,269.10x = 36,258,710,216,945,760
  5. Step 5: Solve for x
    x = 36,258,710,216,945,760/216,650,269.10
  6. Step 6: Final answer
    x = 167,360,559.34

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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.