Home / 130,734,200.60-196,101,300.90-79,715,864.60

Finding the Fourth Proportional to 130,734,200.60, 196,101,300.90 and 79,715,864.60

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Solution

The fourth proportional to 130,734,200.60, 196,101,300.90 and 79,715,864.60 is: 119,573,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,734,200.60 : 196,101,300.90 = 79,715,864.60 : x
  2. Step 2: Convert to fraction form
    130,734,200.60/196,101,300.90 = 79,715,864.60/x
  3. Step 3: Cross multiply
    130,734,200.60x = 196,101,300.90 × 79,715,864.60
  4. Step 4: Simplify right side
    130,734,200.60x = 15,632,384,750,428,258
  5. Step 5: Solve for x
    x = 15,632,384,750,428,258/130,734,200.60
  6. Step 6: Final answer
    x = 119,573,796.90

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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.