Home / 142,032,135.20-213,048,202.80-136,458,298.40

Finding the Fourth Proportional to 142,032,135.20, 213,048,202.80 and 136,458,298.40

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Solution

The fourth proportional to 142,032,135.20, 213,048,202.80 and 136,458,298.40 is: 204,687,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032,135.20 : 213,048,202.80 = 136,458,298.40 : x
  2. Step 2: Convert to fraction form
    142,032,135.20/213,048,202.80 = 136,458,298.40/x
  3. Step 3: Cross multiply
    142,032,135.20x = 213,048,202.80 × 136,458,298.40
  4. Step 4: Simplify right side
    142,032,135.20x = 29,072,195,231,266,120
  5. Step 5: Solve for x
    x = 29,072,195,231,266,120/142,032,135.20
  6. Step 6: Final answer
    x = 204,687,447.60

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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.