Home / 432,309,101.17-648,503,515.77-141,177,749.80

Finding the Fourth Proportional to 432,309,101.17, 648,503,515.77 and 141,177,749.80

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Solution

The fourth proportional to 432,309,101.17, 648,503,515.77 and 141,177,749.80 is: 211,779,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,309,101.17 : 648,503,515.77 = 141,177,749.80 : x
  2. Step 2: Convert to fraction form
    432,309,101.17/648,503,515.77 = 141,177,749.80/x
  3. Step 3: Cross multiply
    432,309,101.17x = 648,503,515.77 × 141,177,749.80
  4. Step 4: Simplify right side
    432,309,101.17x = 91,554,267,093,797,424
  5. Step 5: Solve for x
    x = 91,554,267,093,797,424/432,309,101.17
  6. Step 6: Final answer
    x = 211,779,642.96

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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.