Home / 139,968,496.60-209,952,744.90-136,982,512.60

Finding the Fourth Proportional to 139,968,496.60, 209,952,744.90 and 136,982,512.60

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Solution

The fourth proportional to 139,968,496.60, 209,952,744.90 and 136,982,512.60 is: 205,473,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,496.60 : 209,952,744.90 = 136,982,512.60 : x
  2. Step 2: Convert to fraction form
    139,968,496.60/209,952,744.90 = 136,982,512.60/x
  3. Step 3: Cross multiply
    139,968,496.60x = 209,952,744.90 × 136,982,512.60
  4. Step 4: Simplify right side
    139,968,496.60x = 28,759,854,523,668,836
  5. Step 5: Solve for x
    x = 28,759,854,523,668,836/139,968,496.60
  6. Step 6: Final answer
    x = 205,473,768.90

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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.