Home / 84,833,740.40-127,131,991.20-45,888,118.64

Finding the Fourth Proportional to 84,833,740.40, 127,131,991.20 and 45,888,118.64

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Solution

The fourth proportional to 84,833,740.40, 127,131,991.20 and 45,888,118.64 is: 68,768,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833,740.40 : 127,131,991.20 = 45,888,118.64 : x
  2. Step 2: Convert to fraction form
    84,833,740.40/127,131,991.20 = 45,888,118.64/x
  3. Step 3: Cross multiply
    84,833,740.40x = 127,131,991.20 × 45,888,118.64
  4. Step 4: Simplify right side
    84,833,740.40x = 5,833,847,895,125,036
  5. Step 5: Solve for x
    x = 5,833,847,895,125,036/84,833,740.40
  6. Step 6: Final answer
    x = 68,768,014.56

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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.