Home / 152,004,676.81-209,766,763.10-82,390,104.85

Finding the Fourth Proportional to 152,004,676.81, 209,766,763.10 and 82,390,104.85

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Solution

The fourth proportional to 152,004,676.81, 209,766,763.10 and 82,390,104.85 is: 113,698,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,004,676.81 : 209,766,763.10 = 82,390,104.85 : x
  2. Step 2: Convert to fraction form
    152,004,676.81/209,766,763.10 = 82,390,104.85/x
  3. Step 3: Cross multiply
    152,004,676.81x = 209,766,763.10 × 82,390,104.85
  4. Step 4: Simplify right side
    152,004,676.81x = 17,282,705,605,854,110
  5. Step 5: Solve for x
    x = 17,282,705,605,854,110/152,004,676.81
  6. Step 6: Final answer
    x = 113,698,512.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.