Home / 152,023,661.80-209,792,933.24-82,408,827.40

Finding the Fourth Proportional to 152,023,661.80, 209,792,933.24 and 82,408,827.40

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Solution

The fourth proportional to 152,023,661.80, 209,792,933.24 and 82,408,827.40 is: 113,724,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,023,661.80 : 209,792,933.24 = 82,408,827.40 : x
  2. Step 2: Convert to fraction form
    152,023,661.80/209,792,933.24 = 82,408,827.40/x
  3. Step 3: Cross multiply
    152,023,661.80x = 209,792,933.24 × 82,408,827.40
  4. Step 4: Simplify right side
    152,023,661.80x = 17,288,789,625,114,884
  5. Step 5: Solve for x
    x = 17,288,789,625,114,884/152,023,661.80
  6. Step 6: Final answer
    x = 113,724,333.57

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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.