Home / 82,450,457.30-113,825,805.18-63,570,804.57

Finding the Fourth Proportional to 82,450,457.30, 113,825,805.18 and 63,570,804.57

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Solution

The fourth proportional to 82,450,457.30, 113,825,805.18 and 63,570,804.57 is: 87,761,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,450,457.30 : 113,825,805.18 = 63,570,804.57 : x
  2. Step 2: Convert to fraction form
    82,450,457.30/113,825,805.18 = 63,570,804.57/x
  3. Step 3: Cross multiply
    82,450,457.30x = 113,825,805.18 × 63,570,804.57
  4. Step 4: Simplify right side
    82,450,457.30x = 7,235,998,016,120,674
  5. Step 5: Solve for x
    x = 7,235,998,016,120,674/82,450,457.30
  6. Step 6: Final answer
    x = 87,761,769.34

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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.