Home / 72,709,939,197.56-109,075,814,009.76-25,538,098,797.56

Finding the Fourth Proportional to 72,709,939,197.56, 109,075,814,009.76 and 25,538,098,797.56

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Solution

The fourth proportional to 72,709,939,197.56, 109,075,814,009.76 and 25,538,098,797.56 is: 38,310,978,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,709,939,197.56 : 109,075,814,009.76 = 25,538,098,797.56 : x
  2. Step 2: Convert to fraction form
    72,709,939,197.56/109,075,814,009.76 = 25,538,098,797.56/x
  3. Step 3: Cross multiply
    72,709,939,197.56x = 109,075,814,009.76 × 25,538,098,797.56
  4. Step 4: Simplify right side
    72,709,939,197.56x = 2,785,588,914,605,530,284,032
  5. Step 5: Solve for x
    x = 2,785,588,914,605,530,284,032/72,709,939,197.56
  6. Step 6: Final answer
    x = 38,310,978,462.47

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1.5x scale

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.