Home / 154,080,429.40-231,120,644.10-51,810,477.40

Finding the Fourth Proportional to 154,080,429.40, 231,120,644.10 and 51,810,477.40

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Solution

The fourth proportional to 154,080,429.40, 231,120,644.10 and 51,810,477.40 is: 77,715,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,080,429.40 : 231,120,644.10 = 51,810,477.40 : x
  2. Step 2: Convert to fraction form
    154,080,429.40/231,120,644.10 = 51,810,477.40/x
  3. Step 3: Cross multiply
    154,080,429.40x = 231,120,644.10 × 51,810,477.40
  4. Step 4: Simplify right side
    154,080,429.40x = 11,974,470,907,816,492
  5. Step 5: Solve for x
    x = 11,974,470,907,816,492/154,080,429.40
  6. Step 6: Final answer
    x = 77,715,716.10

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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.