Home / 89,712,076.80-134,568,115.20-73,768,846.80

Finding the Fourth Proportional to 89,712,076.80, 134,568,115.20 and 73,768,846.80

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Solution

The fourth proportional to 89,712,076.80, 134,568,115.20 and 73,768,846.80 is: 110,653,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,076.80 : 134,568,115.20 = 73,768,846.80 : x
  2. Step 2: Convert to fraction form
    89,712,076.80/134,568,115.20 = 73,768,846.80/x
  3. Step 3: Cross multiply
    89,712,076.80x = 134,568,115.20 × 73,768,846.80
  4. Step 4: Simplify right side
    89,712,076.80x = 9,926,934,674,353,550
  5. Step 5: Solve for x
    x = 9,926,934,674,353,550/89,712,076.80
  6. Step 6: Final answer
    x = 110,653,270.20

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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.