Home / 197,760,999.60-272,885,095.32-108,429,435.38

Finding the Fourth Proportional to 197,760,999.60, 272,885,095.32 and 108,429,435.38

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Solution

The fourth proportional to 197,760,999.60, 272,885,095.32 and 108,429,435.38 is: 149,618,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,760,999.60 : 272,885,095.32 = 108,429,435.38 : x
  2. Step 2: Convert to fraction form
    197,760,999.60/272,885,095.32 = 108,429,435.38/x
  3. Step 3: Cross multiply
    197,760,999.60x = 272,885,095.32 × 108,429,435.38
  4. Step 4: Simplify right side
    197,760,999.60x = 29,588,776,809,165,080
  5. Step 5: Solve for x
    x = 29,588,776,809,165,080/197,760,999.60
  6. Step 6: Final answer
    x = 149,618,867.57

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1.5x scale

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.