Home / 154,872,003.80-232,308,005.70-108,514,602.20

Finding the Fourth Proportional to 154,872,003.80, 232,308,005.70 and 108,514,602.20

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Solution

The fourth proportional to 154,872,003.80, 232,308,005.70 and 108,514,602.20 is: 162,771,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,872,003.80 : 232,308,005.70 = 108,514,602.20 : x
  2. Step 2: Convert to fraction form
    154,872,003.80/232,308,005.70 = 108,514,602.20/x
  3. Step 3: Cross multiply
    154,872,003.80x = 232,308,005.70 × 108,514,602.20
  4. Step 4: Simplify right side
    154,872,003.80x = 25,208,810,826,410,832
  5. Step 5: Solve for x
    x = 25,208,810,826,410,832/154,872,003.80
  6. Step 6: Final answer
    x = 162,771,903.30

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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.