Home / 130,734,067.60-196,101,101.40-79,715,731.60

Finding the Fourth Proportional to 130,734,067.60, 196,101,101.40 and 79,715,731.60

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Solution

The fourth proportional to 130,734,067.60, 196,101,101.40 and 79,715,731.60 is: 119,573,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,067.60 : 196,101,101.40 = 79,715,731.60 : x
  2. Step 2: Convert to fraction form
    130,734,067.60/196,101,101.40 = 79,715,731.60/x
  3. Step 3: Cross multiply
    130,734,067.60x = 196,101,101.40 × 79,715,731.60
  4. Step 4: Simplify right side
    130,734,067.60x = 15,632,342,765,666,784
  5. Step 5: Solve for x
    x = 15,632,342,765,666,784/130,734,067.60
  6. Step 6: Final answer
    x = 119,573,597.40

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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.