Home / 101,743,773,929.81-152,638,422,855.36-31,004,021,146.12

Finding the Fourth Proportional to 101,743,773,929.81, 152,638,422,855.36 and 31,004,021,146.12

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Solution

The fourth proportional to 101,743,773,929.81, 152,638,422,855.36 and 31,004,021,146.12 is: 46,512,967,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,743,773,929.81 : 152,638,422,855.36 = 31,004,021,146.12 : x
  2. Step 2: Convert to fraction form
    101,743,773,929.81/152,638,422,855.36 = 31,004,021,146.12/x
  3. Step 3: Cross multiply
    101,743,773,929.81x = 152,638,422,855.36 × 31,004,021,146.12
  4. Step 4: Simplify right side
    101,743,773,929.81x = 4,732,404,889,918,598,283,264
  5. Step 5: Solve for x
    x = 4,732,404,889,918,598,283,264/101,743,773,929.81
  6. Step 6: Final answer
    x = 46,512,967,891.12

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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.