Home / 307,980,850.77-462,029,541.08-123,762,667.41

Finding the Fourth Proportional to 307,980,850.77, 462,029,541.08 and 123,762,667.41

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Solution

The fourth proportional to 307,980,850.77, 462,029,541.08 and 123,762,667.41 is: 185,667,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,980,850.77 : 462,029,541.08 = 123,762,667.41 : x
  2. Step 2: Convert to fraction form
    307,980,850.77/462,029,541.08 = 123,762,667.41/x
  3. Step 3: Cross multiply
    307,980,850.77x = 462,029,541.08 × 123,762,667.41
  4. Step 4: Simplify right side
    307,980,850.77x = 57,182,008,425,660,152
  5. Step 5: Solve for x
    x = 57,182,008,425,660,152/307,980,850.77
  6. Step 6: Final answer
    x = 185,667,414.98

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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.