Home / 290,614,876.63-435,675,416.31-135,258,901.34

Finding the Fourth Proportional to 290,614,876.63, 435,675,416.31 and 135,258,901.34

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Solution

The fourth proportional to 290,614,876.63, 435,675,416.31 and 135,258,901.34 is: 202,773,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,614,876.63 : 435,675,416.31 = 135,258,901.34 : x
  2. Step 2: Convert to fraction form
    290,614,876.63/435,675,416.31 = 135,258,901.34/x
  3. Step 3: Cross multiply
    290,614,876.63x = 435,675,416.31 × 135,258,901.34
  4. Step 4: Simplify right side
    290,614,876.63x = 58,928,978,148,759,344
  5. Step 5: Solve for x
    x = 58,928,978,148,759,344/290,614,876.63
  6. Step 6: Final answer
    x = 202,773,439.66

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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.