Home / 130,842,013.80-196,263,020.70-129,946,218.60

Finding the Fourth Proportional to 130,842,013.80, 196,263,020.70 and 129,946,218.60

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Solution

The fourth proportional to 130,842,013.80, 196,263,020.70 and 129,946,218.60 is: 194,919,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,842,013.80 : 196,263,020.70 = 129,946,218.60 : x
  2. Step 2: Convert to fraction form
    130,842,013.80/196,263,020.70 = 129,946,218.60/x
  3. Step 3: Cross multiply
    130,842,013.80x = 196,263,020.70 × 129,946,218.60
  4. Step 4: Simplify right side
    130,842,013.80x = 25,503,637,390,978,524
  5. Step 5: Solve for x
    x = 25,503,637,390,978,524/130,842,013.80
  6. Step 6: Final answer
    x = 194,919,327.90

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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.