Home / 347,757,747.20-521,304,844.80-129,349,606.40

Finding the Fourth Proportional to 347,757,747.20, 521,304,844.80 and 129,349,606.40

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Solution

The fourth proportional to 347,757,747.20, 521,304,844.80 and 129,349,606.40 is: 193,901,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,757,747.20 : 521,304,844.80 = 129,349,606.40 : x
  2. Step 2: Convert to fraction form
    347,757,747.20/521,304,844.80 = 129,349,606.40/x
  3. Step 3: Cross multiply
    347,757,747.20x = 521,304,844.80 × 129,349,606.40
  4. Step 4: Simplify right side
    347,757,747.20x = 67,430,576,489,293,088
  5. Step 5: Solve for x
    x = 67,430,576,489,293,088/347,757,747.20
  6. Step 6: Final answer
    x = 193,901,004.46

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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.