Home / 291,456,056.80-437,184,085.20-76,045,304.80

Finding the Fourth Proportional to 291,456,056.80, 437,184,085.20 and 76,045,304.80

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Solution

The fourth proportional to 291,456,056.80, 437,184,085.20 and 76,045,304.80 is: 114,067,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,456,056.80 : 437,184,085.20 = 76,045,304.80 : x
  2. Step 2: Convert to fraction form
    291,456,056.80/437,184,085.20 = 76,045,304.80/x
  3. Step 3: Cross multiply
    291,456,056.80x = 437,184,085.20 × 76,045,304.80
  4. Step 4: Simplify right side
    291,456,056.80x = 33,245,797,012,743,168
  5. Step 5: Solve for x
    x = 33,245,797,012,743,168/291,456,056.80
  6. Step 6: Final answer
    x = 114,067,957.20

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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.