Home / 372,101,188.75-557,537,630.38-216,217,426.12

Finding the Fourth Proportional to 372,101,188.75, 557,537,630.38 and 216,217,426.12

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Solution

The fourth proportional to 372,101,188.75, 557,537,630.38 and 216,217,426.12 is: 323,969,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,101,188.75 : 557,537,630.38 = 216,217,426.12 : x
  2. Step 2: Convert to fraction form
    372,101,188.75/557,537,630.38 = 216,217,426.12/x
  3. Step 3: Cross multiply
    372,101,188.75x = 557,537,630.38 × 216,217,426.12
  4. Step 4: Simplify right side
    372,101,188.75x = 120,549,351,405,807,520
  5. Step 5: Solve for x
    x = 120,549,351,405,807,520/372,101,188.75
  6. Step 6: Final answer
    x = 323,969,272.47

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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.