Home / 74,013,973.21-111,084,732.73-51,310,813.69

Finding the Fourth Proportional to 74,013,973.21, 111,084,732.73 and 51,310,813.69

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Solution

The fourth proportional to 74,013,973.21, 111,084,732.73 and 51,310,813.69 is: 77,010,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,013,973.21 : 111,084,732.73 = 51,310,813.69 : x
  2. Step 2: Convert to fraction form
    74,013,973.21/111,084,732.73 = 51,310,813.69/x
  3. Step 3: Cross multiply
    74,013,973.21x = 111,084,732.73 × 51,310,813.69
  4. Step 4: Simplify right side
    74,013,973.21x = 5,699,848,024,346,767
  5. Step 5: Solve for x
    x = 5,699,848,024,346,767/74,013,973.21
  6. Step 6: Final answer
    x = 77,010,431.65

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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.