Home / 130,814,838,012.80-196,222,257,019.20-71,307,050,902.40

Finding the Fourth Proportional to 130,814,838,012.80, 196,222,257,019.20 and 71,307,050,902.40

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Solution

The fourth proportional to 130,814,838,012.80, 196,222,257,019.20 and 71,307,050,902.40 is: 106,960,576,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814,838,012.80 : 196,222,257,019.20 = 71,307,050,902.40 : x
  2. Step 2: Convert to fraction form
    130,814,838,012.80/196,222,257,019.20 = 71,307,050,902.40/x
  3. Step 3: Cross multiply
    130,814,838,012.80x = 196,222,257,019.20 × 71,307,050,902.40
  4. Step 4: Simplify right side
    130,814,838,012.80x = 13,992,030,469,451,910,479,872
  5. Step 5: Solve for x
    x = 13,992,030,469,451,910,479,872/130,814,838,012.80
  6. Step 6: Final answer
    x = 106,960,576,353.60

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1.5x scale

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.