Home / 129,734,618.40-194,601,927.60-43,444,346.40

Finding the Fourth Proportional to 129,734,618.40, 194,601,927.60 and 43,444,346.40

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Solution

The fourth proportional to 129,734,618.40, 194,601,927.60 and 43,444,346.40 is: 65,166,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,734,618.40 : 194,601,927.60 = 43,444,346.40 : x
  2. Step 2: Convert to fraction form
    129,734,618.40/194,601,927.60 = 43,444,346.40/x
  3. Step 3: Cross multiply
    129,734,618.40x = 194,601,927.60 × 43,444,346.40
  4. Step 4: Simplify right side
    129,734,618.40x = 8,454,353,552,762,120
  5. Step 5: Solve for x
    x = 8,454,353,552,762,120/129,734,618.40
  6. Step 6: Final answer
    x = 65,166,519.60

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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.