Home / 154,641,620.20-231,763,364.70-118,560,980.20

Finding the Fourth Proportional to 154,641,620.20, 231,763,364.70 and 118,560,980.20

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Solution

The fourth proportional to 154,641,620.20, 231,763,364.70 and 118,560,980.20 is: 177,688,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,641,620.20 : 231,763,364.70 = 118,560,980.20 : x
  2. Step 2: Convert to fraction form
    154,641,620.20/231,763,364.70 = 118,560,980.20/x
  3. Step 3: Cross multiply
    154,641,620.20x = 231,763,364.70 × 118,560,980.20
  4. Step 4: Simplify right side
    154,641,620.20x = 27,478,091,693,282,080
  5. Step 5: Solve for x
    x = 27,478,091,693,282,080/154,641,620.20
  6. Step 6: Final answer
    x = 177,688,850.24

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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.