Home / 152,947,353.09-229,420,821.87-71,021,432.64

Finding the Fourth Proportional to 152,947,353.09, 229,420,821.87 and 71,021,432.64

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Solution

The fourth proportional to 152,947,353.09, 229,420,821.87 and 71,021,432.64 is: 106,532,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,947,353.09 : 229,420,821.87 = 71,021,432.64 : x
  2. Step 2: Convert to fraction form
    152,947,353.09/229,420,821.87 = 71,021,432.64/x
  3. Step 3: Cross multiply
    152,947,353.09x = 229,420,821.87 × 71,021,432.64
  4. Step 4: Simplify right side
    152,947,353.09x = 16,293,795,446,653,644
  5. Step 5: Solve for x
    x = 16,293,795,446,653,644/152,947,353.09
  6. Step 6: Final answer
    x = 106,532,052.48

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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.