Home / 267,315,784.61-400,973,992.81-73,228,871.21

Finding the Fourth Proportional to 267,315,784.61, 400,973,992.81 and 73,228,871.21

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Solution

The fourth proportional to 267,315,784.61, 400,973,992.81 and 73,228,871.21 is: 109,843,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,315,784.61 : 400,973,992.81 = 73,228,871.21 : x
  2. Step 2: Convert to fraction form
    267,315,784.61/400,973,992.81 = 73,228,871.21/x
  3. Step 3: Cross multiply
    267,315,784.61x = 400,973,992.81 × 73,228,871.21
  4. Step 4: Simplify right side
    267,315,784.61x = 29,362,872,875,855,012
  5. Step 5: Solve for x
    x = 29,362,872,875,855,012/267,315,784.61
  6. Step 6: Final answer
    x = 109,843,393.35

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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.