Home / 75,075,861.20-112,613,791.80-31,946,471.60

Finding the Fourth Proportional to 75,075,861.20, 112,613,791.80 and 31,946,471.60

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Solution

The fourth proportional to 75,075,861.20, 112,613,791.80 and 31,946,471.60 is: 47,919,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075,861.20 : 112,613,791.80 = 31,946,471.60 : x
  2. Step 2: Convert to fraction form
    75,075,861.20/112,613,791.80 = 31,946,471.60/x
  3. Step 3: Cross multiply
    75,075,861.20x = 112,613,791.80 × 31,946,471.60
  4. Step 4: Simplify right side
    75,075,861.20x = 3,597,613,301,507,013
  5. Step 5: Solve for x
    x = 3,597,613,301,507,013/75,075,861.20
  6. Step 6: Final answer
    x = 47,919,707.40

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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.