Home / 105,015,135.62-144,923,207.03-57,972,097.67

Finding the Fourth Proportional to 105,015,135.62, 144,923,207.03 and 57,972,097.67

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Solution

The fourth proportional to 105,015,135.62, 144,923,207.03 and 57,972,097.67 is: 80,002,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,015,135.62 : 144,923,207.03 = 57,972,097.67 : x
  2. Step 2: Convert to fraction form
    105,015,135.62/144,923,207.03 = 57,972,097.67/x
  3. Step 3: Cross multiply
    105,015,135.62x = 144,923,207.03 × 57,972,097.67
  4. Step 4: Simplify right side
    105,015,135.62x = 8,401,502,312,592,791
  5. Step 5: Solve for x
    x = 8,401,502,312,592,791/105,015,135.62
  6. Step 6: Final answer
    x = 80,002,775.44

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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.