Home / 86,504,343.42-129,764,399.38-28,197,055.37

Finding the Fourth Proportional to 86,504,343.42, 129,764,399.38 and 28,197,055.37

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Solution

The fourth proportional to 86,504,343.42, 129,764,399.38 and 28,197,055.37 is: 42,298,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504,343.42 : 129,764,399.38 = 28,197,055.37 : x
  2. Step 2: Convert to fraction form
    86,504,343.42/129,764,399.38 = 28,197,055.37/x
  3. Step 3: Cross multiply
    86,504,343.42x = 129,764,399.38 × 28,197,055.37
  4. Step 4: Simplify right side
    86,504,343.42x = 3,658,973,953,748,553
  5. Step 5: Solve for x
    x = 3,658,973,953,748,553/86,504,343.42
  6. Step 6: Final answer
    x = 42,298,153.01

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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.