Home / 87,409,477.60-131,114,216.40-29,896,626.40

Finding the Fourth Proportional to 87,409,477.60, 131,114,216.40 and 29,896,626.40

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Solution

The fourth proportional to 87,409,477.60, 131,114,216.40 and 29,896,626.40 is: 44,844,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409,477.60 : 131,114,216.40 = 29,896,626.40 : x
  2. Step 2: Convert to fraction form
    87,409,477.60/131,114,216.40 = 29,896,626.40/x
  3. Step 3: Cross multiply
    87,409,477.60x = 131,114,216.40 × 29,896,626.40
  4. Step 4: Simplify right side
    87,409,477.60x = 3,919,872,743,439,553
  5. Step 5: Solve for x
    x = 3,919,872,743,439,553/87,409,477.60
  6. Step 6: Final answer
    x = 44,844,939.60

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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.