Home / 82,173,153.92-113,398,992.16-45,005,771.67

Finding the Fourth Proportional to 82,173,153.92, 113,398,992.16 and 45,005,771.67

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Solution

The fourth proportional to 82,173,153.92, 113,398,992.16 and 45,005,771.67 is: 62,107,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173,153.92 : 113,398,992.16 = 45,005,771.67 : x
  2. Step 2: Convert to fraction form
    82,173,153.92/113,398,992.16 = 45,005,771.67/x
  3. Step 3: Cross multiply
    82,173,153.92x = 113,398,992.16 × 45,005,771.67
  4. Step 4: Simplify right side
    82,173,153.92x = 5,103,609,148,761,080
  5. Step 5: Solve for x
    x = 5,103,609,148,761,080/82,173,153.92
  6. Step 6: Final answer
    x = 62,107,986.68

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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.