Home / 130,360,638.24-195,539,713.20-79,256,766.24

Finding the Fourth Proportional to 130,360,638.24, 195,539,713.20 and 79,256,766.24

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Solution

The fourth proportional to 130,360,638.24, 195,539,713.20 and 79,256,766.24 is: 118,884,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,360,638.24 : 195,539,713.20 = 79,256,766.24 : x
  2. Step 2: Convert to fraction form
    130,360,638.24/195,539,713.20 = 79,256,766.24/x
  3. Step 3: Cross multiply
    130,360,638.24x = 195,539,713.20 × 79,256,766.24
  4. Step 4: Simplify right side
    130,360,638.24x = 15,497,845,339,729,040
  5. Step 5: Solve for x
    x = 15,497,845,339,729,040/130,360,638.24
  6. Step 6: Final answer
    x = 118,884,392.93

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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.