Home / 130,570,161.60-195,687,280.80-79,397,860.80

Finding the Fourth Proportional to 130,570,161.60, 195,687,280.80 and 79,397,860.80

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Solution

The fourth proportional to 130,570,161.60, 195,687,280.80 and 79,397,860.80 is: 118,994,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,570,161.60 : 195,687,280.80 = 79,397,860.80 : x
  2. Step 2: Convert to fraction form
    130,570,161.60/195,687,280.80 = 79,397,860.80/x
  3. Step 3: Cross multiply
    130,570,161.60x = 195,687,280.80 × 79,397,860.80
  4. Step 4: Simplify right side
    130,570,161.60x = 15,537,151,481,288,914
  5. Step 5: Solve for x
    x = 15,537,151,481,288,914/130,570,161.60
  6. Step 6: Final answer
    x = 118,994,656.14

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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.