Home / 81,082,423.29-111,893,189.55-43,911,848.70

Finding the Fourth Proportional to 81,082,423.29, 111,893,189.55 and 43,911,848.70

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Solution

The fourth proportional to 81,082,423.29, 111,893,189.55 and 43,911,848.70 is: 60,598,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,423.29 : 111,893,189.55 = 43,911,848.70 : x
  2. Step 2: Convert to fraction form
    81,082,423.29/111,893,189.55 = 43,911,848.70/x
  3. Step 3: Cross multiply
    81,082,423.29x = 111,893,189.55 × 43,911,848.70
  4. Step 4: Simplify right side
    81,082,423.29x = 4,913,436,810,080,021
  5. Step 5: Solve for x
    x = 4,913,436,810,080,021/81,082,423.29
  6. Step 6: Final answer
    x = 60,598,050.86

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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.