Home / 86,765,462.76-119,627,394.12-63,520,233.60

Finding the Fourth Proportional to 86,765,462.76, 119,627,394.12 and 63,520,233.60

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Solution

The fourth proportional to 86,765,462.76, 119,627,394.12 and 63,520,233.60 is: 87,578,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765,462.76 : 119,627,394.12 = 63,520,233.60 : x
  2. Step 2: Convert to fraction form
    86,765,462.76/119,627,394.12 = 63,520,233.60/x
  3. Step 3: Cross multiply
    86,765,462.76x = 119,627,394.12 × 63,520,233.60
  4. Step 4: Simplify right side
    86,765,462.76x = 7,598,760,019,461,667
  5. Step 5: Solve for x
    x = 7,598,760,019,461,667/86,765,462.76
  6. Step 6: Final answer
    x = 87,578,165.06

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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.