Home / 131,445,905.40-197,168,858.10-54,758,969.10

Finding the Fourth Proportional to 131,445,905.40, 197,168,858.10 and 54,758,969.10

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Solution

The fourth proportional to 131,445,905.40, 197,168,858.10 and 54,758,969.10 is: 82,138,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,445,905.40 : 197,168,858.10 = 54,758,969.10 : x
  2. Step 2: Convert to fraction form
    131,445,905.40/197,168,858.10 = 54,758,969.10/x
  3. Step 3: Cross multiply
    131,445,905.40x = 197,168,858.10 × 54,758,969.10
  4. Step 4: Simplify right side
    131,445,905.40x = 10,796,763,408,180,184
  5. Step 5: Solve for x
    x = 10,796,763,408,180,184/131,445,905.40
  6. Step 6: Final answer
    x = 82,138,453.65

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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.