Home / 129,049,777.20-193,574,665.80-118,300,234.80

Finding the Fourth Proportional to 129,049,777.20, 193,574,665.80 and 118,300,234.80

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Solution

The fourth proportional to 129,049,777.20, 193,574,665.80 and 118,300,234.80 is: 177,450,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,049,777.20 : 193,574,665.80 = 118,300,234.80 : x
  2. Step 2: Convert to fraction form
    129,049,777.20/193,574,665.80 = 118,300,234.80/x
  3. Step 3: Cross multiply
    129,049,777.20x = 193,574,665.80 × 118,300,234.80
  4. Step 4: Simplify right side
    129,049,777.20x = 22,899,928,415,471,532
  5. Step 5: Solve for x
    x = 22,899,928,415,471,532/129,049,777.20
  6. Step 6: Final answer
    x = 177,450,352.20

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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.