Home / 154,715,981.04-231,994,107.36-45,526,961.52

Finding the Fourth Proportional to 154,715,981.04, 231,994,107.36 and 45,526,961.52

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Solution

The fourth proportional to 154,715,981.04, 231,994,107.36 and 45,526,961.52 is: 68,266,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,715,981.04 : 231,994,107.36 = 45,526,961.52 : x
  2. Step 2: Convert to fraction form
    154,715,981.04/231,994,107.36 = 45,526,961.52/x
  3. Step 3: Cross multiply
    154,715,981.04x = 231,994,107.36 × 45,526,961.52
  4. Step 4: Simplify right side
    154,715,981.04x = 10,561,986,798,645,470
  5. Step 5: Solve for x
    x = 10,561,986,798,645,470/154,715,981.04
  6. Step 6: Final answer
    x = 68,266,941.32

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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.