Home / 115,790,523.40-173,685,785.10-99,648,003.03

Finding the Fourth Proportional to 115,790,523.40, 173,685,785.10 and 99,648,003.03

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Solution

The fourth proportional to 115,790,523.40, 173,685,785.10 and 99,648,003.03 is: 149,472,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,790,523.40 : 173,685,785.10 = 99,648,003.03 : x
  2. Step 2: Convert to fraction form
    115,790,523.40/173,685,785.10 = 99,648,003.03/x
  3. Step 3: Cross multiply
    115,790,523.40x = 173,685,785.10 × 99,648,003.03
  4. Step 4: Simplify right side
    115,790,523.40x = 17,307,441,639,912,728
  5. Step 5: Solve for x
    x = 17,307,441,639,912,728/115,790,523.40
  6. Step 6: Final answer
    x = 149,472,004.55

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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.