Home / 154,691,423.04-213,475,593.60-84,127,704.24

Finding the Fourth Proportional to 154,691,423.04, 213,475,593.60 and 84,127,704.24

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Solution

The fourth proportional to 154,691,423.04, 213,475,593.60 and 84,127,704.24 is: 116,097,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,691,423.04 : 213,475,593.60 = 84,127,704.24 : x
  2. Step 2: Convert to fraction form
    154,691,423.04/213,475,593.60 = 84,127,704.24/x
  3. Step 3: Cross multiply
    154,691,423.04x = 213,475,593.60 × 84,127,704.24
  4. Step 4: Simplify right side
    154,691,423.04x = 17,959,211,600,839,236
  5. Step 5: Solve for x
    x = 17,959,211,600,839,236/154,691,423.04
  6. Step 6: Final answer
    x = 116,097,009.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.