Home / 88,890,012.30-133,618,453.65-83,788,178.70

Finding the Fourth Proportional to 88,890,012.30, 133,618,453.65 and 83,788,178.70

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Solution

The fourth proportional to 88,890,012.30, 133,618,453.65 and 83,788,178.70 is: 125,949,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,890,012.30 : 133,618,453.65 = 83,788,178.70 : x
  2. Step 2: Convert to fraction form
    88,890,012.30/133,618,453.65 = 83,788,178.70/x
  3. Step 3: Cross multiply
    88,890,012.30x = 133,618,453.65 × 83,788,178.70
  4. Step 4: Simplify right side
    88,890,012.30x = 11,195,646,872,043,868
  5. Step 5: Solve for x
    x = 11,195,646,872,043,868/88,890,012.30
  6. Step 6: Final answer
    x = 125,949,435.51

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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.