Home / 254,732,980.74-382,097,371.41-72,980,333.70

Finding the Fourth Proportional to 254,732,980.74, 382,097,371.41 and 72,980,333.70

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Solution

The fourth proportional to 254,732,980.74, 382,097,371.41 and 72,980,333.70 is: 109,469,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,732,980.74 : 382,097,371.41 = 72,980,333.70 : x
  2. Step 2: Convert to fraction form
    254,732,980.74/382,097,371.41 = 72,980,333.70/x
  3. Step 3: Cross multiply
    254,732,980.74x = 382,097,371.41 × 72,980,333.70
  4. Step 4: Simplify right side
    254,732,980.74x = 27,885,593,671,394,644
  5. Step 5: Solve for x
    x = 27,885,593,671,394,644/254,732,980.74
  6. Step 6: Final answer
    x = 109,469,898.99

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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.