Home / 291,456,040.80-437,184,061.20-76,045,288.80

Finding the Fourth Proportional to 291,456,040.80, 437,184,061.20 and 76,045,288.80

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Solution

The fourth proportional to 291,456,040.80, 437,184,061.20 and 76,045,288.80 is: 114,067,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,456,040.80 : 437,184,061.20 = 76,045,288.80 : x
  2. Step 2: Convert to fraction form
    291,456,040.80/437,184,061.20 = 76,045,288.80/x
  3. Step 3: Cross multiply
    291,456,040.80x = 437,184,061.20 × 76,045,288.80
  4. Step 4: Simplify right side
    291,456,040.80x = 33,245,788,192,710,872
  5. Step 5: Solve for x
    x = 33,245,788,192,710,872/291,456,040.80
  6. Step 6: Final answer
    x = 114,067,933.20

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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.