Home / 367,905,257.16-551,652,628.62-122,128,418.28

Finding the Fourth Proportional to 367,905,257.16, 551,652,628.62 and 122,128,418.28

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Solution

The fourth proportional to 367,905,257.16, 551,652,628.62 and 122,128,418.28 is: 183,124,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,905,257.16 : 551,652,628.62 = 122,128,418.28 : x
  2. Step 2: Convert to fraction form
    367,905,257.16/551,652,628.62 = 122,128,418.28/x
  3. Step 3: Cross multiply
    367,905,257.16x = 551,652,628.62 × 122,128,418.28
  4. Step 4: Simplify right side
    367,905,257.16x = 67,372,462,973,364,864
  5. Step 5: Solve for x
    x = 67,372,462,973,364,864/367,905,257.16
  6. Step 6: Final answer
    x = 183,124,491.05

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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.