Home / 86,287,882.56-129,450,001.80-27,991,008.60

Finding the Fourth Proportional to 86,287,882.56, 129,450,001.80 and 27,991,008.60

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Solution

The fourth proportional to 86,287,882.56, 129,450,001.80 and 27,991,008.60 is: 41,992,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,287,882.56 : 129,450,001.80 = 27,991,008.60 : x
  2. Step 2: Convert to fraction form
    86,287,882.56/129,450,001.80 = 27,991,008.60/x
  3. Step 3: Cross multiply
    86,287,882.56x = 129,450,001.80 × 27,991,008.60
  4. Step 4: Simplify right side
    86,287,882.56x = 3,623,436,113,653,815.50
  5. Step 5: Solve for x
    x = 3,623,436,113,653,815.50/86,287,882.56
  6. Step 6: Final answer
    x = 41,992,409.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.