Home / 70,481,917.40-105,826,658.64-39,418,435.04

Finding the Fourth Proportional to 70,481,917.40, 105,826,658.64 and 39,418,435.04

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Solution

The fourth proportional to 70,481,917.40, 105,826,658.64 and 39,418,435.04 is: 59,185,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,917.40 : 105,826,658.64 = 39,418,435.04 : x
  2. Step 2: Convert to fraction form
    70,481,917.40/105,826,658.64 = 39,418,435.04/x
  3. Step 3: Cross multiply
    70,481,917.40x = 105,826,658.64 × 39,418,435.04
  4. Step 4: Simplify right side
    70,481,917.40x = 4,171,521,269,101,094.50
  5. Step 5: Solve for x
    x = 4,171,521,269,101,094.50/70,481,917.40
  6. Step 6: Final answer
    x = 59,185,695.04

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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.