Home / 56,162,472.96-84,243,710.40-13,612,200.96

Finding the Fourth Proportional to 56,162,472.96, 84,243,710.40 and 13,612,200.96

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Solution

The fourth proportional to 56,162,472.96, 84,243,710.40 and 13,612,200.96 is: 20,418,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162,472.96 : 84,243,710.40 = 13,612,200.96 : x
  2. Step 2: Convert to fraction form
    56,162,472.96/84,243,710.40 = 13,612,200.96/x
  3. Step 3: Cross multiply
    56,162,472.96x = 84,243,710.40 × 13,612,200.96
  4. Step 4: Simplify right side
    56,162,472.96x = 1,146,742,315,580,842.25
  5. Step 5: Solve for x
    x = 1,146,742,315,580,842.25/56,162,472.96
  6. Step 6: Final answer
    x = 20,418,301.67

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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.