Home / 51,475,116.92-77,212,610.16-13,136,631.89

Finding the Fourth Proportional to 51,475,116.92, 77,212,610.16 and 13,136,631.89

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Solution

The fourth proportional to 51,475,116.92, 77,212,610.16 and 13,136,631.89 is: 19,704,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,116.92 : 77,212,610.16 = 13,136,631.89 : x
  2. Step 2: Convert to fraction form
    51,475,116.92/77,212,610.16 = 13,136,631.89/x
  3. Step 3: Cross multiply
    51,475,116.92x = 77,212,610.16 × 13,136,631.89
  4. Step 4: Simplify right side
    51,475,116.92x = 1,014,313,636,551,930.88
  5. Step 5: Solve for x
    x = 1,014,313,636,551,930.88/51,475,116.92
  6. Step 6: Final answer
    x = 19,704,931.19

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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.