Home / 117,622,298.60-176,433,447.90-78,880,249.70

Finding the Fourth Proportional to 117,622,298.60, 176,433,447.90 and 78,880,249.70

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Solution

The fourth proportional to 117,622,298.60, 176,433,447.90 and 78,880,249.70 is: 118,320,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622,298.60 : 176,433,447.90 = 78,880,249.70 : x
  2. Step 2: Convert to fraction form
    117,622,298.60/176,433,447.90 = 78,880,249.70/x
  3. Step 3: Cross multiply
    117,622,298.60x = 176,433,447.90 × 78,880,249.70
  4. Step 4: Simplify right side
    117,622,298.60x = 13,917,114,425,783,942
  5. Step 5: Solve for x
    x = 13,917,114,425,783,942/117,622,298.60
  6. Step 6: Final answer
    x = 118,320,374.55

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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.