Home / 115,477,769.45-173,216,877.11-28,038,917.85

Finding the Fourth Proportional to 115,477,769.45, 173,216,877.11 and 28,038,917.85

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Solution

The fourth proportional to 115,477,769.45, 173,216,877.11 and 28,038,917.85 is: 42,058,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,477,769.45 : 173,216,877.11 = 28,038,917.85 : x
  2. Step 2: Convert to fraction form
    115,477,769.45/173,216,877.11 = 28,038,917.85/x
  3. Step 3: Cross multiply
    115,477,769.45x = 173,216,877.11 × 28,038,917.85
  4. Step 4: Simplify right side
    115,477,769.45x = 4,856,813,787,380,641
  5. Step 5: Solve for x
    x = 4,856,813,787,380,641/115,477,769.45
  6. Step 6: Final answer
    x = 42,058,430.91

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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.