Home / 126,075,349.20-189,113,023.80-49,372,885.20

Finding the Fourth Proportional to 126,075,349.20, 189,113,023.80 and 49,372,885.20

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Solution

The fourth proportional to 126,075,349.20, 189,113,023.80 and 49,372,885.20 is: 74,059,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075,349.20 : 189,113,023.80 = 49,372,885.20 : x
  2. Step 2: Convert to fraction form
    126,075,349.20/189,113,023.80 = 49,372,885.20/x
  3. Step 3: Cross multiply
    126,075,349.20x = 189,113,023.80 × 49,372,885.20
  4. Step 4: Simplify right side
    126,075,349.20x = 9,337,055,613,902,268
  5. Step 5: Solve for x
    x = 9,337,055,613,902,268/126,075,349.20
  6. Step 6: Final answer
    x = 74,059,327.80

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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.