Home / 65,422,637.70-90,283,595.31-37,543,128.03

Finding the Fourth Proportional to 65,422,637.70, 90,283,595.31 and 37,543,128.03

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Solution

The fourth proportional to 65,422,637.70, 90,283,595.31 and 37,543,128.03 is: 51,809,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,422,637.70 : 90,283,595.31 = 37,543,128.03 : x
  2. Step 2: Convert to fraction form
    65,422,637.70/90,283,595.31 = 37,543,128.03/x
  3. Step 3: Cross multiply
    65,422,637.70x = 90,283,595.31 × 37,543,128.03
  4. Step 4: Simplify right side
    65,422,637.70x = 3,389,528,577,732,037.50
  5. Step 5: Solve for x
    x = 3,389,528,577,732,037.50/65,422,637.70
  6. Step 6: Final answer
    x = 51,809,720.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.