Home / 107,750,494.40-161,727,218.40-56,669,172.80

Finding the Fourth Proportional to 107,750,494.40, 161,727,218.40 and 56,669,172.80

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Solution

The fourth proportional to 107,750,494.40, 161,727,218.40 and 56,669,172.80 is: 85,057,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,750,494.40 : 161,727,218.40 = 56,669,172.80 : x
  2. Step 2: Convert to fraction form
    107,750,494.40/161,727,218.40 = 56,669,172.80/x
  3. Step 3: Cross multiply
    107,750,494.40x = 161,727,218.40 × 56,669,172.80
  4. Step 4: Simplify right side
    107,750,494.40x = 9,164,947,685,972,940
  5. Step 5: Solve for x
    x = 9,164,947,685,972,940/107,750,494.40
  6. Step 6: Final answer
    x = 85,057,128.85

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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.