Home / 107,313,780.80-160,991,666.40-45,902,820.80

Finding the Fourth Proportional to 107,313,780.80, 160,991,666.40 and 45,902,820.80

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Solution

The fourth proportional to 107,313,780.80, 160,991,666.40 and 45,902,820.80 is: 68,863,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313,780.80 : 160,991,666.40 = 45,902,820.80 : x
  2. Step 2: Convert to fraction form
    107,313,780.80/160,991,666.40 = 45,902,820.80/x
  3. Step 3: Cross multiply
    107,313,780.80x = 160,991,666.40 × 45,902,820.80
  4. Step 4: Simplify right side
    107,313,780.80x = 7,389,971,613,052,581
  5. Step 5: Solve for x
    x = 7,389,971,613,052,581/107,313,780.80
  6. Step 6: Final answer
    x = 68,863,211.77

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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.