Home / 154,559,981.80-231,839,972.70-116,012,794.60

Finding the Fourth Proportional to 154,559,981.80, 231,839,972.70 and 116,012,794.60

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Solution

The fourth proportional to 154,559,981.80, 231,839,972.70 and 116,012,794.60 is: 174,019,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559,981.80 : 231,839,972.70 = 116,012,794.60 : x
  2. Step 2: Convert to fraction form
    154,559,981.80/231,839,972.70 = 116,012,794.60/x
  3. Step 3: Cross multiply
    154,559,981.80x = 231,839,972.70 × 116,012,794.60
  4. Step 4: Simplify right side
    154,559,981.80x = 26,896,403,132,914,704
  5. Step 5: Solve for x
    x = 26,896,403,132,914,704/154,559,981.80
  6. Step 6: Final answer
    x = 174,019,191.90

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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.