Home / 432,309,080.70-648,503,485.02-141,177,729.29

Finding the Fourth Proportional to 432,309,080.70, 648,503,485.02 and 141,177,729.29

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Solution

The fourth proportional to 432,309,080.70, 648,503,485.02 and 141,177,729.29 is: 211,779,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,309,080.70 : 648,503,485.02 = 141,177,729.29 : x
  2. Step 2: Convert to fraction form
    432,309,080.70/648,503,485.02 = 141,177,729.29/x
  3. Step 3: Cross multiply
    432,309,080.70x = 648,503,485.02 × 141,177,729.29
  4. Step 4: Simplify right side
    432,309,080.70x = 91,554,249,448,532,608
  5. Step 5: Solve for x
    x = 91,554,249,448,532,608/432,309,080.70
  6. Step 6: Final answer
    x = 211,779,612.17

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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.