Home / 139,968,600.30-209,952,900.45-126,363,710.70

Finding the Fourth Proportional to 139,968,600.30, 209,952,900.45 and 126,363,710.70

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Solution

The fourth proportional to 139,968,600.30, 209,952,900.45 and 126,363,710.70 is: 189,545,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,600.30 : 209,952,900.45 = 126,363,710.70 : x
  2. Step 2: Convert to fraction form
    139,968,600.30/209,952,900.45 = 126,363,710.70/x
  3. Step 3: Cross multiply
    139,968,600.30x = 209,952,900.45 × 126,363,710.70
  4. Step 4: Simplify right side
    139,968,600.30x = 26,530,427,573,089,700
  5. Step 5: Solve for x
    x = 26,530,427,573,089,700/139,968,600.30
  6. Step 6: Final answer
    x = 189,545,566.05

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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.