Home / 175,389,745.20-262,706,704.20-145,156,657.20

Finding the Fourth Proportional to 175,389,745.20, 262,706,704.20 and 145,156,657.20

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Solution

The fourth proportional to 175,389,745.20, 262,706,704.20 and 145,156,657.20 is: 217,422,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,389,745.20 : 262,706,704.20 = 145,156,657.20 : x
  2. Step 2: Convert to fraction form
    175,389,745.20/262,706,704.20 = 145,156,657.20/x
  3. Step 3: Cross multiply
    175,389,745.20x = 262,706,704.20 × 145,156,657.20
  4. Step 4: Simplify right side
    175,389,745.20x = 38,133,627,005,701,192
  5. Step 5: Solve for x
    x = 38,133,627,005,701,192/175,389,745.20
  6. Step 6: Final answer
    x = 217,422,215.66

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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.