Home / 257,001,374.88-385,643,507.76-111,436,054.56

Finding the Fourth Proportional to 257,001,374.88, 385,643,507.76 and 111,436,054.56

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Solution

The fourth proportional to 257,001,374.88, 385,643,507.76 and 111,436,054.56 is: 167,215,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,001,374.88 : 385,643,507.76 = 111,436,054.56 : x
  2. Step 2: Convert to fraction form
    257,001,374.88/385,643,507.76 = 111,436,054.56/x
  3. Step 3: Cross multiply
    257,001,374.88x = 385,643,507.76 × 111,436,054.56
  4. Step 4: Simplify right side
    257,001,374.88x = 42,974,590,971,453,144
  5. Step 5: Solve for x
    x = 42,974,590,971,453,144/257,001,374.88
  6. Step 6: Final answer
    x = 167,215,412.73

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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.