Home / 173,868,010.40-260,802,015.60-112,646,007.20

Finding the Fourth Proportional to 173,868,010.40, 260,802,015.60 and 112,646,007.20

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Solution

The fourth proportional to 173,868,010.40, 260,802,015.60 and 112,646,007.20 is: 168,969,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,010.40 : 260,802,015.60 = 112,646,007.20 : x
  2. Step 2: Convert to fraction form
    173,868,010.40/260,802,015.60 = 112,646,007.20/x
  3. Step 3: Cross multiply
    173,868,010.40x = 260,802,015.60 × 112,646,007.20
  4. Step 4: Simplify right side
    173,868,010.40x = 29,378,305,727,052,112
  5. Step 5: Solve for x
    x = 29,378,305,727,052,112/173,868,010.40
  6. Step 6: Final answer
    x = 168,969,010.80

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1.5x scale

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.