Home / 119,428,105,911.03-164,809,672,323.33-65,234,633,805.54

Finding the Fourth Proportional to 119,428,105,911.03, 164,809,672,323.33 and 65,234,633,805.54

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Solution

The fourth proportional to 119,428,105,911.03, 164,809,672,323.33 and 65,234,633,805.54 is: 90,023,186,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,428,105,911.03 : 164,809,672,323.33 = 65,234,633,805.54 : x
  2. Step 2: Convert to fraction form
    119,428,105,911.03/164,809,672,323.33 = 65,234,633,805.54/x
  3. Step 3: Cross multiply
    119,428,105,911.03x = 164,809,672,323.33 × 65,234,633,805.54
  4. Step 4: Simplify right side
    119,428,105,911.03x = 10,751,298,621,623,473,537,024
  5. Step 5: Solve for x
    x = 10,751,298,621,623,473,537,024/119,428,105,911.03
  6. Step 6: Final answer
    x = 90,023,186,247.57

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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.