Home / 315,542,768.03-473,365,012.10-97,193,008.56

Finding the Fourth Proportional to 315,542,768.03, 473,365,012.10 and 97,193,008.56

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Solution

The fourth proportional to 315,542,768.03, 473,365,012.10 and 97,193,008.56 is: 145,805,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,542,768.03 : 473,365,012.10 = 97,193,008.56 : x
  2. Step 2: Convert to fraction form
    315,542,768.03/473,365,012.10 = 97,193,008.56/x
  3. Step 3: Cross multiply
    315,542,768.03x = 473,365,012.10 × 97,193,008.56
  4. Step 4: Simplify right side
    315,542,768.03x = 46,007,769,672,553,840
  5. Step 5: Solve for x
    x = 46,007,769,672,553,840/315,542,768.03
  6. Step 6: Final answer
    x = 145,805,178.68

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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.