Home / 57,938,710.80-86,918,563.80-29,112,301.20

Finding the Fourth Proportional to 57,938,710.80, 86,918,563.80 and 29,112,301.20

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Solution

The fourth proportional to 57,938,710.80, 86,918,563.80 and 29,112,301.20 is: 43,673,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,938,710.80 : 86,918,563.80 = 29,112,301.20 : x
  2. Step 2: Convert to fraction form
    57,938,710.80/86,918,563.80 = 29,112,301.20/x
  3. Step 3: Cross multiply
    57,938,710.80x = 86,918,563.80 × 29,112,301.20
  4. Step 4: Simplify right side
    57,938,710.80x = 2,530,399,409,217,016.50
  5. Step 5: Solve for x
    x = 2,530,399,409,217,016.50/57,938,710.80
  6. Step 6: Final answer
    x = 43,673,726.50

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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.