Home / 98,937,010.80-148,405,516.20-74,384,436.60

Finding the Fourth Proportional to 98,937,010.80, 148,405,516.20 and 74,384,436.60

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Solution

The fourth proportional to 98,937,010.80, 148,405,516.20 and 74,384,436.60 is: 111,576,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,937,010.80 : 148,405,516.20 = 74,384,436.60 : x
  2. Step 2: Convert to fraction form
    98,937,010.80/148,405,516.20 = 74,384,436.60/x
  3. Step 3: Cross multiply
    98,937,010.80x = 148,405,516.20 × 74,384,436.60
  4. Step 4: Simplify right side
    98,937,010.80x = 11,039,060,710,869,172
  5. Step 5: Solve for x
    x = 11,039,060,710,869,172/98,937,010.80
  6. Step 6: Final answer
    x = 111,576,654.90

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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.