Home / 69,984,117.70-104,976,176.55-52,978,005.70

Finding the Fourth Proportional to 69,984,117.70, 104,976,176.55 and 52,978,005.70

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Solution

The fourth proportional to 69,984,117.70, 104,976,176.55 and 52,978,005.70 is: 79,467,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,117.70 : 104,976,176.55 = 52,978,005.70 : x
  2. Step 2: Convert to fraction form
    69,984,117.70/104,976,176.55 = 52,978,005.70/x
  3. Step 3: Cross multiply
    69,984,117.70x = 104,976,176.55 × 52,978,005.70
  4. Step 4: Simplify right side
    69,984,117.70x = 5,561,428,479,630,106
  5. Step 5: Solve for x
    x = 5,561,428,479,630,106/69,984,117.70
  6. Step 6: Final answer
    x = 79,467,008.55

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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.