Home / 51,475,116.40-77,212,609.39-13,136,631.37

Finding the Fourth Proportional to 51,475,116.40, 77,212,609.39 and 13,136,631.37

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Solution

The fourth proportional to 51,475,116.40, 77,212,609.39 and 13,136,631.37 is: 19,704,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,116.40 : 77,212,609.39 = 13,136,631.37 : x
  2. Step 2: Convert to fraction form
    51,475,116.40/77,212,609.39 = 13,136,631.37/x
  3. Step 3: Cross multiply
    51,475,116.40x = 77,212,609.39 × 13,136,631.37
  4. Step 4: Simplify right side
    51,475,116.40x = 1,014,313,586,495,619.75
  5. Step 5: Solve for x
    x = 1,014,313,586,495,619.75/51,475,116.40
  6. Step 6: Final answer
    x = 19,704,930.41

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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.