Home / 130,156,378.32-195,235,912.08-33,112,131.60

Finding the Fourth Proportional to 130,156,378.32, 195,235,912.08 and 33,112,131.60

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Solution

The fourth proportional to 130,156,378.32, 195,235,912.08 and 33,112,131.60 is: 49,668,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156,378.32 : 195,235,912.08 = 33,112,131.60 : x
  2. Step 2: Convert to fraction form
    130,156,378.32/195,235,912.08 = 33,112,131.60/x
  3. Step 3: Cross multiply
    130,156,378.32x = 195,235,912.08 × 33,112,131.60
  4. Step 4: Simplify right side
    130,156,378.32x = 6,464,677,213,838,990
  5. Step 5: Solve for x
    x = 6,464,677,213,838,990/130,156,378.32
  6. Step 6: Final answer
    x = 49,668,539.47

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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.