Home / 107,300,981.80-160,972,467.90-45,890,021.80

Finding the Fourth Proportional to 107,300,981.80, 160,972,467.90 and 45,890,021.80

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Solution

The fourth proportional to 107,300,981.80, 160,972,467.90 and 45,890,021.80 is: 68,844,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,300,981.80 : 160,972,467.90 = 45,890,021.80 : x
  2. Step 2: Convert to fraction form
    107,300,981.80/160,972,467.90 = 45,890,021.80/x
  3. Step 3: Cross multiply
    107,300,981.80x = 160,972,467.90 × 45,890,021.80
  4. Step 4: Simplify right side
    107,300,981.80x = 7,387,030,061,130,800
  5. Step 5: Solve for x
    x = 7,387,030,061,130,800/107,300,981.80
  6. Step 6: Final answer
    x = 68,844,011.84

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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.