Home / 147,628,917.41-203,723,958.93-81,547,993.47

Finding the Fourth Proportional to 147,628,917.41, 203,723,958.93 and 81,547,993.47

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Solution

The fourth proportional to 147,628,917.41, 203,723,958.93 and 81,547,993.47 is: 112,534,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,628,917.41 : 203,723,958.93 = 81,547,993.47 : x
  2. Step 2: Convert to fraction form
    147,628,917.41/203,723,958.93 = 81,547,993.47/x
  3. Step 3: Cross multiply
    147,628,917.41x = 203,723,958.93 × 81,547,993.47
  4. Step 4: Simplify right side
    147,628,917.41x = 16,613,280,072,200,384
  5. Step 5: Solve for x
    x = 16,613,280,072,200,384/147,628,917.41
  6. Step 6: Final answer
    x = 112,534,050.67

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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.