Home / 169,488,003.40-254,232,005.10-128,673,334.60

Finding the Fourth Proportional to 169,488,003.40, 254,232,005.10 and 128,673,334.60

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Solution

The fourth proportional to 169,488,003.40, 254,232,005.10 and 128,673,334.60 is: 193,010,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,488,003.40 : 254,232,005.10 = 128,673,334.60 : x
  2. Step 2: Convert to fraction form
    169,488,003.40/254,232,005.10 = 128,673,334.60/x
  3. Step 3: Cross multiply
    169,488,003.40x = 254,232,005.10 × 128,673,334.60
  4. Step 4: Simplify right side
    169,488,003.40x = 32,712,879,858,261,204
  5. Step 5: Solve for x
    x = 32,712,879,858,261,204/169,488,003.40
  6. Step 6: Final answer
    x = 193,010,001.90

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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.