Home / 51,475,617.45-77,213,364.08-13,137,135.66

Finding the Fourth Proportional to 51,475,617.45, 77,213,364.08 and 13,137,135.66

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Solution

The fourth proportional to 51,475,617.45, 77,213,364.08 and 13,137,135.66 is: 19,705,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,617.45 : 77,213,364.08 = 13,137,135.66 : x
  2. Step 2: Convert to fraction form
    51,475,617.45/77,213,364.08 = 13,137,135.66/x
  3. Step 3: Cross multiply
    51,475,617.45x = 77,213,364.08 × 13,137,135.66
  4. Step 4: Simplify right side
    51,475,617.45x = 1,014,362,438,618,245.50
  5. Step 5: Solve for x
    x = 1,014,362,438,618,245.50/51,475,617.45
  6. Step 6: Final answer
    x = 19,705,687.64

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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.