Home / 41,303,980.80-61,955,971.20-19,780,620.30

Finding the Fourth Proportional to 41,303,980.80, 61,955,971.20 and 19,780,620.30

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Solution

The fourth proportional to 41,303,980.80, 61,955,971.20 and 19,780,620.30 is: 29,670,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,303,980.80 : 61,955,971.20 = 19,780,620.30 : x
  2. Step 2: Convert to fraction form
    41,303,980.80/61,955,971.20 = 19,780,620.30/x
  3. Step 3: Cross multiply
    41,303,980.80x = 61,955,971.20 × 19,780,620.30
  4. Step 4: Simplify right side
    41,303,980.80x = 1,225,527,541,624,935.50
  5. Step 5: Solve for x
    x = 1,225,527,541,624,935.50/41,303,980.80
  6. Step 6: Final answer
    x = 29,670,930.45

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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.