Home / 43,690,457.70-65,535,686.55-18,128,801.70

Finding the Fourth Proportional to 43,690,457.70, 65,535,686.55 and 18,128,801.70

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Solution

The fourth proportional to 43,690,457.70, 65,535,686.55 and 18,128,801.70 is: 27,193,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690,457.70 : 65,535,686.55 = 18,128,801.70 : x
  2. Step 2: Convert to fraction form
    43,690,457.70/65,535,686.55 = 18,128,801.70/x
  3. Step 3: Cross multiply
    43,690,457.70x = 65,535,686.55 × 18,128,801.70
  4. Step 4: Simplify right side
    43,690,457.70x = 1,188,083,465,738,307
  5. Step 5: Solve for x
    x = 1,188,083,465,738,307/43,690,457.70
  6. Step 6: Final answer
    x = 27,193,202.55

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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.