Home / 64,952,108.80-97,428,163.20-19,507,998.40

Finding the Fourth Proportional to 64,952,108.80, 97,428,163.20 and 19,507,998.40

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Solution

The fourth proportional to 64,952,108.80, 97,428,163.20 and 19,507,998.40 is: 29,261,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952,108.80 : 97,428,163.20 = 19,507,998.40 : x
  2. Step 2: Convert to fraction form
    64,952,108.80/97,428,163.20 = 19,507,998.40/x
  3. Step 3: Cross multiply
    64,952,108.80x = 97,428,163.20 × 19,507,998.40
  4. Step 4: Simplify right side
    64,952,108.80x = 1,900,628,451,820,538.75
  5. Step 5: Solve for x
    x = 1,900,628,451,820,538.75/64,952,108.80
  6. Step 6: Final answer
    x = 29,261,997.60

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Similar ratio
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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.