Home / 139,968,002.70-209,952,004.05-127,426,869.90

Finding the Fourth Proportional to 139,968,002.70, 209,952,004.05 and 127,426,869.90

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Solution

The fourth proportional to 139,968,002.70, 209,952,004.05 and 127,426,869.90 is: 191,140,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,002.70 : 209,952,004.05 = 127,426,869.90 : x
  2. Step 2: Convert to fraction form
    139,968,002.70/209,952,004.05 = 127,426,869.90/x
  3. Step 3: Cross multiply
    139,968,002.70x = 209,952,004.05 × 127,426,869.90
  4. Step 4: Simplify right side
    139,968,002.70x = 26,753,526,705,323,624
  5. Step 5: Solve for x
    x = 26,753,526,705,323,624/139,968,002.70
  6. Step 6: Final answer
    x = 191,140,304.85

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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.