Home / 432,939,113.38-649,343,054.27-117,829,697.42

Finding the Fourth Proportional to 432,939,113.38, 649,343,054.27 and 117,829,697.42

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Solution

The fourth proportional to 432,939,113.38, 649,343,054.27 and 117,829,697.42 is: 176,726,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,939,113.38 : 649,343,054.27 = 117,829,697.42 : x
  2. Step 2: Convert to fraction form
    432,939,113.38/649,343,054.27 = 117,829,697.42/x
  3. Step 3: Cross multiply
    432,939,113.38x = 649,343,054.27 × 117,829,697.42
  4. Step 4: Simplify right side
    432,939,113.38x = 76,511,895,607,668,464
  5. Step 5: Solve for x
    x = 76,511,895,607,668,464/432,939,113.38
  6. Step 6: Final answer
    x = 176,726,687.99

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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.