Home / 117,420,005.70-176,130,008.55-71,503,503.30

Finding the Fourth Proportional to 117,420,005.70, 176,130,008.55 and 71,503,503.30

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Solution

The fourth proportional to 117,420,005.70, 176,130,008.55 and 71,503,503.30 is: 107,255,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420,005.70 : 176,130,008.55 = 71,503,503.30 : x
  2. Step 2: Convert to fraction form
    117,420,005.70/176,130,008.55 = 71,503,503.30/x
  3. Step 3: Cross multiply
    117,420,005.70x = 176,130,008.55 × 71,503,503.30
  4. Step 4: Simplify right side
    117,420,005.70x = 12,593,912,647,583,954
  5. Step 5: Solve for x
    x = 12,593,912,647,583,954/117,420,005.70
  6. Step 6: Final answer
    x = 107,255,254.95

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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.