Home / 129,525,818.40-194,288,727.60-48,764,904.48

Finding the Fourth Proportional to 129,525,818.40, 194,288,727.60 and 48,764,904.48

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Solution

The fourth proportional to 129,525,818.40, 194,288,727.60 and 48,764,904.48 is: 73,147,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,525,818.40 : 194,288,727.60 = 48,764,904.48 : x
  2. Step 2: Convert to fraction form
    129,525,818.40/194,288,727.60 = 48,764,904.48/x
  3. Step 3: Cross multiply
    129,525,818.40x = 194,288,727.60 × 48,764,904.48
  4. Step 4: Simplify right side
    129,525,818.40x = 9,474,471,242,954,738
  5. Step 5: Solve for x
    x = 9,474,471,242,954,738/129,525,818.40
  6. Step 6: Final answer
    x = 73,147,356.72

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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.