Home / 432,309,108.20-648,503,526.30-141,177,756.80

Finding the Fourth Proportional to 432,309,108.20, 648,503,526.30 and 141,177,756.80

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Solution

The fourth proportional to 432,309,108.20, 648,503,526.30 and 141,177,756.80 is: 211,779,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,309,108.20 : 648,503,526.30 = 141,177,756.80 : x
  2. Step 2: Convert to fraction form
    432,309,108.20/648,503,526.30 = 141,177,756.80/x
  3. Step 3: Cross multiply
    432,309,108.20x = 648,503,526.30 × 141,177,756.80
  4. Step 4: Simplify right side
    432,309,108.20x = 91,554,273,119,923,808
  5. Step 5: Solve for x
    x = 91,554,273,119,923,808/432,309,108.20
  6. Step 6: Final answer
    x = 211,779,653.45

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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.