Home / 89,830,849.30-134,494,331.55-87,311,425.30

Finding the Fourth Proportional to 89,830,849.30, 134,494,331.55 and 87,311,425.30

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Solution

The fourth proportional to 89,830,849.30, 134,494,331.55 and 87,311,425.30 is: 130,722,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830,849.30 : 134,494,331.55 = 87,311,425.30 : x
  2. Step 2: Convert to fraction form
    89,830,849.30/134,494,331.55 = 87,311,425.30/x
  3. Step 3: Cross multiply
    89,830,849.30x = 134,494,331.55 × 87,311,425.30
  4. Step 4: Simplify right side
    89,830,849.30x = 11,742,891,782,401,258
  5. Step 5: Solve for x
    x = 11,742,891,782,401,258/89,830,849.30
  6. Step 6: Final answer
    x = 130,722,261.61

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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.