Home / 82,578,423.52-113,958,667.56-45,411,100.48

Finding the Fourth Proportional to 82,578,423.52, 113,958,667.56 and 45,411,100.48

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Solution

The fourth proportional to 82,578,423.52, 113,958,667.56 and 45,411,100.48 is: 62,667,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,578,423.52 : 113,958,667.56 = 45,411,100.48 : x
  2. Step 2: Convert to fraction form
    82,578,423.52/113,958,667.56 = 45,411,100.48/x
  3. Step 3: Cross multiply
    82,578,423.52x = 113,958,667.56 × 45,411,100.48
  4. Step 4: Simplify right side
    82,578,423.52x = 5,174,988,503,134,076
  5. Step 5: Solve for x
    x = 5,174,988,503,134,076/82,578,423.52
  6. Step 6: Final answer
    x = 62,667,562.33

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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.