Home / 69,783,310.08-104,686,335.54-20,604,134.76

Finding the Fourth Proportional to 69,783,310.08, 104,686,335.54 and 20,604,134.76

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Solution

The fourth proportional to 69,783,310.08, 104,686,335.54 and 20,604,134.76 is: 30,909,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,310.08 : 104,686,335.54 = 20,604,134.76 : x
  2. Step 2: Convert to fraction form
    69,783,310.08/104,686,335.54 = 20,604,134.76/x
  3. Step 3: Cross multiply
    69,783,310.08x = 104,686,335.54 × 20,604,134.76
  4. Step 4: Simplify right side
    69,783,310.08x = 2,156,971,364,996,737.75
  5. Step 5: Solve for x
    x = 2,156,971,364,996,737.75/69,783,310.08
  6. Step 6: Final answer
    x = 30,909,559.36

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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.