Home / 130,411,229.60-195,616,844.40-79,392,893.60

Finding the Fourth Proportional to 130,411,229.60, 195,616,844.40 and 79,392,893.60

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Solution

The fourth proportional to 130,411,229.60, 195,616,844.40 and 79,392,893.60 is: 119,089,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,411,229.60 : 195,616,844.40 = 79,392,893.60 : x
  2. Step 2: Convert to fraction form
    130,411,229.60/195,616,844.40 = 79,392,893.60/x
  3. Step 3: Cross multiply
    130,411,229.60x = 195,616,844.40 × 79,392,893.60
  4. Step 4: Simplify right side
    130,411,229.60x = 15,530,587,313,816,956
  5. Step 5: Solve for x
    x = 15,530,587,313,816,956/130,411,229.60
  6. Step 6: Final answer
    x = 119,089,340.40

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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.