Home / 51,204,303.86-76,806,533.70-20,912,166.86

Finding the Fourth Proportional to 51,204,303.86, 76,806,533.70 and 20,912,166.86

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Solution

The fourth proportional to 51,204,303.86, 76,806,533.70 and 20,912,166.86 is: 31,368,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,204,303.86 : 76,806,533.70 = 20,912,166.86 : x
  2. Step 2: Convert to fraction form
    51,204,303.86/76,806,533.70 = 20,912,166.86/x
  3. Step 3: Cross multiply
    51,204,303.86x = 76,806,533.70 × 20,912,166.86
  4. Step 4: Simplify right side
    51,204,303.86x = 1,606,191,048,288,580.50
  5. Step 5: Solve for x
    x = 1,606,191,048,288,580.50/51,204,303.86
  6. Step 6: Final answer
    x = 31,368,282.10

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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.