Home / 149,025,800.43-205,651,845.81-82,044,089.87

Finding the Fourth Proportional to 149,025,800.43, 205,651,845.81 and 82,044,089.87

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Solution

The fourth proportional to 149,025,800.43, 205,651,845.81 and 82,044,089.87 is: 113,218,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025,800.43 : 205,651,845.81 = 82,044,089.87 : x
  2. Step 2: Convert to fraction form
    149,025,800.43/205,651,845.81 = 82,044,089.87/x
  3. Step 3: Cross multiply
    149,025,800.43x = 205,651,845.81 × 82,044,089.87
  4. Step 4: Simplify right side
    149,025,800.43x = 16,872,518,518,538,762
  5. Step 5: Solve for x
    x = 16,872,518,518,538,762/149,025,800.43
  6. Step 6: Final answer
    x = 113,218,774.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.