Home / 193,558,459.80-290,331,468.90-64,172,040.60

Finding the Fourth Proportional to 193,558,459.80, 290,331,468.90 and 64,172,040.60

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Solution

The fourth proportional to 193,558,459.80, 290,331,468.90 and 64,172,040.60 is: 96,255,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,558,459.80 : 290,331,468.90 = 64,172,040.60 : x
  2. Step 2: Convert to fraction form
    193,558,459.80/290,331,468.90 = 64,172,040.60/x
  3. Step 3: Cross multiply
    193,558,459.80x = 290,331,468.90 × 64,172,040.60
  4. Step 4: Simplify right side
    193,558,459.80x = 18,631,162,809,708,436
  5. Step 5: Solve for x
    x = 18,631,162,809,708,436/193,558,459.80
  6. Step 6: Final answer
    x = 96,255,998.47

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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.