Home / 207,390,691,605.46-286,245,196,079.08-126,083,237,773.54

Finding the Fourth Proportional to 207,390,691,605.46, 286,245,196,079.08 and 126,083,237,773.54

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Solution

The fourth proportional to 207,390,691,605.46, 286,245,196,079.08 and 126,083,237,773.54 is: 174,022,859,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,390,691,605.46 : 286,245,196,079.08 = 126,083,237,773.54 : x
  2. Step 2: Convert to fraction form
    207,390,691,605.46/286,245,196,079.08 = 126,083,237,773.54/x
  3. Step 3: Cross multiply
    207,390,691,605.46x = 286,245,196,079.08 × 126,083,237,773.54
  4. Step 4: Simplify right side
    207,390,691,605.46x = 36,090,721,118,772,225,114,112
  5. Step 5: Solve for x
    x = 36,090,721,118,772,225,114,112/207,390,691,605.46
  6. Step 6: Final answer
    x = 174,022,859,171.67

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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.