Home / 57,977,266.73-86,963,630.27-19,638,780.78

Finding the Fourth Proportional to 57,977,266.73, 86,963,630.27 and 19,638,780.78

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Solution

The fourth proportional to 57,977,266.73, 86,963,630.27 and 19,638,780.78 is: 29,457,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,977,266.73 : 86,963,630.27 = 19,638,780.78 : x
  2. Step 2: Convert to fraction form
    57,977,266.73/86,963,630.27 = 19,638,780.78/x
  3. Step 3: Cross multiply
    57,977,266.73x = 86,963,630.27 × 19,638,780.78
  4. Step 4: Simplify right side
    57,977,266.73x = 1,707,859,670,933,422
  5. Step 5: Solve for x
    x = 1,707,859,670,933,422/57,977,266.73
  6. Step 6: Final answer
    x = 29,457,402.31

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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.