Home / 321,001,939.05-481,351,143.40-124,357,475.93

Finding the Fourth Proportional to 321,001,939.05, 481,351,143.40 and 124,357,475.93

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Solution

The fourth proportional to 321,001,939.05, 481,351,143.40 and 124,357,475.93 is: 186,477,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,001,939.05 : 481,351,143.40 = 124,357,475.93 : x
  2. Step 2: Convert to fraction form
    321,001,939.05/481,351,143.40 = 124,357,475.93/x
  3. Step 3: Cross multiply
    321,001,939.05x = 481,351,143.40 × 124,357,475.93
  4. Step 4: Simplify right side
    321,001,939.05x = 59,859,613,230,608,208
  5. Step 5: Solve for x
    x = 59,859,613,230,608,208/321,001,939.05
  6. Step 6: Final answer
    x = 186,477,419.44

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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.