Home / 107,313,816.80-160,991,720.40-45,902,856.80

Finding the Fourth Proportional to 107,313,816.80, 160,991,720.40 and 45,902,856.80

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Solution

The fourth proportional to 107,313,816.80, 160,991,720.40 and 45,902,856.80 is: 68,863,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313,816.80 : 160,991,720.40 = 45,902,856.80 : x
  2. Step 2: Convert to fraction form
    107,313,816.80/160,991,720.40 = 45,902,856.80/x
  3. Step 3: Cross multiply
    107,313,816.80x = 160,991,720.40 × 45,902,856.80
  4. Step 4: Simplify right side
    107,313,816.80x = 7,389,979,887,506,839
  5. Step 5: Solve for x
    x = 7,389,979,887,506,839/107,313,816.80
  6. Step 6: Final answer
    x = 68,863,265.77

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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.