Home / 99,939,114.96-137,919,744.78-55,886,014.44

Finding the Fourth Proportional to 99,939,114.96, 137,919,744.78 and 55,886,014.44

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Solution

The fourth proportional to 99,939,114.96, 137,919,744.78 and 55,886,014.44 is: 77,124,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,939,114.96 : 137,919,744.78 = 55,886,014.44 : x
  2. Step 2: Convert to fraction form
    99,939,114.96/137,919,744.78 = 55,886,014.44/x
  3. Step 3: Cross multiply
    99,939,114.96x = 137,919,744.78 × 55,886,014.44
  4. Step 4: Simplify right side
    99,939,114.96x = 7,707,784,848,336,194
  5. Step 5: Solve for x
    x = 7,707,784,848,336,194/99,939,114.96
  6. Step 6: Final answer
    x = 77,124,805.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.