Home / 148,492,649.54-204,193,016.42-128,879,382.03

Finding the Fourth Proportional to 148,492,649.54, 204,193,016.42 and 128,879,382.03

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Solution

The fourth proportional to 148,492,649.54, 204,193,016.42 and 128,879,382.03 is: 177,222,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,492,649.54 : 204,193,016.42 = 128,879,382.03 : x
  2. Step 2: Convert to fraction form
    148,492,649.54/204,193,016.42 = 128,879,382.03/x
  3. Step 3: Cross multiply
    148,492,649.54x = 204,193,016.42 × 128,879,382.03
  4. Step 4: Simplify right side
    148,492,649.54x = 26,316,269,770,406,844
  5. Step 5: Solve for x
    x = 26,316,269,770,406,844/148,492,649.54
  6. Step 6: Final answer
    x = 177,222,710.03

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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.