Home / 74,481,597.48-102,782,990.70-43,120,967.88

Finding the Fourth Proportional to 74,481,597.48, 102,782,990.70 and 43,120,967.88

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Solution

The fourth proportional to 74,481,597.48, 102,782,990.70 and 43,120,967.88 is: 59,506,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481,597.48 : 102,782,990.70 = 43,120,967.88 : x
  2. Step 2: Convert to fraction form
    74,481,597.48/102,782,990.70 = 43,120,967.88/x
  3. Step 3: Cross multiply
    74,481,597.48x = 102,782,990.70 × 43,120,967.88
  4. Step 4: Simplify right side
    74,481,597.48x = 4,432,102,040,585,039
  5. Step 5: Solve for x
    x = 4,432,102,040,585,039/74,481,597.48
  6. Step 6: Final answer
    x = 59,506,001.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.