Home / 103,102,435.20-154,653,652.80-89,072,392.80

Finding the Fourth Proportional to 103,102,435.20, 154,653,652.80 and 89,072,392.80

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Solution

The fourth proportional to 103,102,435.20, 154,653,652.80 and 89,072,392.80 is: 133,608,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,102,435.20 : 154,653,652.80 = 89,072,392.80 : x
  2. Step 2: Convert to fraction form
    103,102,435.20/154,653,652.80 = 89,072,392.80/x
  3. Step 3: Cross multiply
    103,102,435.20x = 154,653,652.80 × 89,072,392.80
  4. Step 4: Simplify right side
    103,102,435.20x = 13,775,370,910,156,420
  5. Step 5: Solve for x
    x = 13,775,370,910,156,420/103,102,435.20
  6. Step 6: Final answer
    x = 133,608,589.20

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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.