Home / 193,543,387.80-290,308,860.90-64,156,968.60

Finding the Fourth Proportional to 193,543,387.80, 290,308,860.90 and 64,156,968.60

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Solution

The fourth proportional to 193,543,387.80, 290,308,860.90 and 64,156,968.60 is: 96,233,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,387.80 : 290,308,860.90 = 64,156,968.60 : x
  2. Step 2: Convert to fraction form
    193,543,387.80/290,308,860.90 = 64,156,968.60/x
  3. Step 3: Cross multiply
    193,543,387.80x = 290,308,860.90 × 64,156,968.60
  4. Step 4: Simplify right side
    193,543,387.80x = 18,625,336,473,063,068
  5. Step 5: Solve for x
    x = 18,625,336,473,063,068/193,543,387.80
  6. Step 6: Final answer
    x = 96,233,390.79

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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.