Home / 318,028,848.89-477,049,249.31-99,674,362.08

Finding the Fourth Proportional to 318,028,848.89, 477,049,249.31 and 99,674,362.08

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Solution

The fourth proportional to 318,028,848.89, 477,049,249.31 and 99,674,362.08 is: 149,513,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,028,848.89 : 477,049,249.31 = 99,674,362.08 : x
  2. Step 2: Convert to fraction form
    318,028,848.89/477,049,249.31 = 99,674,362.08/x
  3. Step 3: Cross multiply
    318,028,848.89x = 477,049,249.31 × 99,674,362.08
  4. Step 4: Simplify right side
    318,028,848.89x = 47,549,579,605,218,760
  5. Step 5: Solve for x
    x = 47,549,579,605,218,760/318,028,848.89
  6. Step 6: Final answer
    x = 149,513,416.07

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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.