Home / 320,768,294.79-481,354,853.13-136,535,474.93

Finding the Fourth Proportional to 320,768,294.79, 481,354,853.13 and 136,535,474.93

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Solution

The fourth proportional to 320,768,294.79, 481,354,853.13 and 136,535,474.93 is: 204,889,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,768,294.79 : 481,354,853.13 = 136,535,474.93 : x
  2. Step 2: Convert to fraction form
    320,768,294.79/481,354,853.13 = 136,535,474.93/x
  3. Step 3: Cross multiply
    320,768,294.79x = 481,354,853.13 × 136,535,474.93
  4. Step 4: Simplify right side
    320,768,294.79x = 65,722,013,479,558,176
  5. Step 5: Solve for x
    x = 65,722,013,479,558,176/320,768,294.79
  6. Step 6: Final answer
    x = 204,889,368.89

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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.