Home / 213,954,025.80-295,257,644.73-121,152,617.40

Finding the Fourth Proportional to 213,954,025.80, 295,257,644.73 and 121,152,617.40

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Solution

The fourth proportional to 213,954,025.80, 295,257,644.73 and 121,152,617.40 is: 167,191,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,954,025.80 : 295,257,644.73 = 121,152,617.40 : x
  2. Step 2: Convert to fraction form
    213,954,025.80/295,257,644.73 = 121,152,617.40/x
  3. Step 3: Cross multiply
    213,954,025.80x = 295,257,644.73 × 121,152,617.40
  4. Step 4: Simplify right side
    213,954,025.80x = 35,771,236,466,398,820
  5. Step 5: Solve for x
    x = 35,771,236,466,398,820/213,954,025.80
  6. Step 6: Final answer
    x = 167,191,228.74

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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.