Home / 122,477,490.40-183,800,216.40-54,369,061.60

Finding the Fourth Proportional to 122,477,490.40, 183,800,216.40 and 54,369,061.60

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Solution

The fourth proportional to 122,477,490.40, 183,800,216.40 and 54,369,061.60 is: 81,590,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477,490.40 : 183,800,216.40 = 54,369,061.60 : x
  2. Step 2: Convert to fraction form
    122,477,490.40/183,800,216.40 = 54,369,061.60/x
  3. Step 3: Cross multiply
    122,477,490.40x = 183,800,216.40 × 54,369,061.60
  4. Step 4: Simplify right side
    122,477,490.40x = 9,993,045,287,544,930
  5. Step 5: Solve for x
    x = 9,993,045,287,544,930/122,477,490.40
  6. Step 6: Final answer
    x = 81,590,872.37

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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.