Home / 65,421,388,131.26-90,281,515,794.89-35,347,872,672.62

Finding the Fourth Proportional to 65,421,388,131.26, 90,281,515,794.89 and 35,347,872,672.62

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Solution

The fourth proportional to 65,421,388,131.26, 90,281,515,794.89 and 35,347,872,672.62 is: 48,780,064,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,131.26 : 90,281,515,794.89 = 35,347,872,672.62 : x
  2. Step 2: Convert to fraction form
    65,421,388,131.26/90,281,515,794.89 = 35,347,872,672.62/x
  3. Step 3: Cross multiply
    65,421,388,131.26x = 90,281,515,794.89 × 35,347,872,672.62
  4. Step 4: Simplify right side
    65,421,388,131.26x = 3,191,259,525,008,903,372,800
  5. Step 5: Solve for x
    x = 3,191,259,525,008,903,372,800/65,421,388,131.26
  6. Step 6: Final answer
    x = 48,780,064,382.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.