Home / 142,032,148.70-213,048,223.05-136,458,311.90

Finding the Fourth Proportional to 142,032,148.70, 213,048,223.05 and 136,458,311.90

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Solution

The fourth proportional to 142,032,148.70, 213,048,223.05 and 136,458,311.90 is: 204,687,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032,148.70 : 213,048,223.05 = 136,458,311.90 : x
  2. Step 2: Convert to fraction form
    142,032,148.70/213,048,223.05 = 136,458,311.90/x
  3. Step 3: Cross multiply
    142,032,148.70x = 213,048,223.05 × 136,458,311.90
  4. Step 4: Simplify right side
    142,032,148.70x = 29,072,200,870,697,672
  5. Step 5: Solve for x
    x = 29,072,200,870,697,672/142,032,148.70
  6. Step 6: Final answer
    x = 204,687,467.85

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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.