Home / 76,710,490.47-115,082,773.83-22,118,828.85

Finding the Fourth Proportional to 76,710,490.47, 115,082,773.83 and 22,118,828.85

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Solution

The fourth proportional to 76,710,490.47, 115,082,773.83 and 22,118,828.85 is: 33,183,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,710,490.47 : 115,082,773.83 = 22,118,828.85 : x
  2. Step 2: Convert to fraction form
    76,710,490.47/115,082,773.83 = 22,118,828.85/x
  3. Step 3: Cross multiply
    76,710,490.47x = 115,082,773.83 × 22,118,828.85
  4. Step 4: Simplify right side
    76,710,490.47x = 2,545,496,177,929,029
  5. Step 5: Solve for x
    x = 2,545,496,177,929,029/76,710,490.47
  6. Step 6: Final answer
    x = 33,183,156.08

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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.