Home / 71,766,125.10-107,649,187.65-42,997,452.30

Finding the Fourth Proportional to 71,766,125.10, 107,649,187.65 and 42,997,452.30

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Solution

The fourth proportional to 71,766,125.10, 107,649,187.65 and 42,997,452.30 is: 64,496,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,766,125.10 : 107,649,187.65 = 42,997,452.30 : x
  2. Step 2: Convert to fraction form
    71,766,125.10/107,649,187.65 = 42,997,452.30/x
  3. Step 3: Cross multiply
    71,766,125.10x = 107,649,187.65 × 42,997,452.30
  4. Step 4: Simplify right side
    71,766,125.10x = 4,628,640,811,114,624
  5. Step 5: Solve for x
    x = 4,628,640,811,114,624/71,766,125.10
  6. Step 6: Final answer
    x = 64,496,178.45

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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.