Home / 71,934,496.15-99,265,528.84-40,570,670.54

Finding the Fourth Proportional to 71,934,496.15, 99,265,528.84 and 40,570,670.54

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Solution

The fourth proportional to 71,934,496.15, 99,265,528.84 and 40,570,670.54 is: 55,985,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,934,496.15 : 99,265,528.84 = 40,570,670.54 : x
  2. Step 2: Convert to fraction form
    71,934,496.15/99,265,528.84 = 40,570,670.54/x
  3. Step 3: Cross multiply
    71,934,496.15x = 99,265,528.84 × 40,570,670.54
  4. Step 4: Simplify right side
    71,934,496.15x = 4,027,269,065,847,327
  5. Step 5: Solve for x
    x = 4,027,269,065,847,327/71,934,496.15
  6. Step 6: Final answer
    x = 55,985,226.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.