Home / 51,551,159.20-77,324,989.20-13,213,049.20

Finding the Fourth Proportional to 51,551,159.20, 77,324,989.20 and 13,213,049.20

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Solution

The fourth proportional to 51,551,159.20, 77,324,989.20 and 13,213,049.20 is: 19,819,125.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551,159.20 : 77,324,989.20 = 13,213,049.20 : x
  2. Step 2: Convert to fraction form
    51,551,159.20/77,324,989.20 = 13,213,049.20/x
  3. Step 3: Cross multiply
    51,551,159.20x = 77,324,989.20 × 13,213,049.20
  4. Step 4: Simplify right side
    51,551,159.20x = 1,021,698,886,689,068.62
  5. Step 5: Solve for x
    x = 1,021,698,886,689,068.62/51,551,159.20
  6. Step 6: Final answer
    x = 19,819,125.36

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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.