Home / 245,499,797.35-338,784,918.89-133,991,437.71

Finding the Fourth Proportional to 245,499,797.35, 338,784,918.89 and 133,991,437.71

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Solution

The fourth proportional to 245,499,797.35, 338,784,918.89 and 133,991,437.71 is: 184,905,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,499,797.35 : 338,784,918.89 = 133,991,437.71 : x
  2. Step 2: Convert to fraction form
    245,499,797.35/338,784,918.89 = 133,991,437.71/x
  3. Step 3: Cross multiply
    245,499,797.35x = 338,784,918.89 × 133,991,437.71
  4. Step 4: Simplify right side
    245,499,797.35x = 45,394,278,354,655,840
  5. Step 5: Solve for x
    x = 45,394,278,354,655,840/245,499,797.35
  6. Step 6: Final answer
    x = 184,905,563.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.