Home / 76,869,713.80-106,082,584.50-42,063,871.24

Finding the Fourth Proportional to 76,869,713.80, 106,082,584.50 and 42,063,871.24

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Solution

The fourth proportional to 76,869,713.80, 106,082,584.50 and 42,063,871.24 is: 58,049,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,869,713.80 : 106,082,584.50 = 42,063,871.24 : x
  2. Step 2: Convert to fraction form
    76,869,713.80/106,082,584.50 = 42,063,871.24/x
  3. Step 3: Cross multiply
    76,869,713.80x = 106,082,584.50 × 42,063,871.24
  4. Step 4: Simplify right side
    76,869,713.80x = 4,462,244,175,214,420
  5. Step 5: Solve for x
    x = 4,462,244,175,214,420/76,869,713.80
  6. Step 6: Final answer
    x = 58,049,444.37

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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.