Home / 436,146,986.44-654,226,178.12-145,014,109.21

Finding the Fourth Proportional to 436,146,986.44, 654,226,178.12 and 145,014,109.21

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Solution

The fourth proportional to 436,146,986.44, 654,226,178.12 and 145,014,109.21 is: 217,523,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,146,986.44 : 654,226,178.12 = 145,014,109.21 : x
  2. Step 2: Convert to fraction form
    436,146,986.44/654,226,178.12 = 145,014,109.21/x
  3. Step 3: Cross multiply
    436,146,986.44x = 654,226,178.12 × 145,014,109.21
  4. Step 4: Simplify right side
    436,146,986.44x = 94,872,026,439,573,968
  5. Step 5: Solve for x
    x = 94,872,026,439,573,968/436,146,986.44
  6. Step 6: Final answer
    x = 217,523,058.49

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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.