Home / 235,059,385.20-352,589,077.80-139,507,897.20

Finding the Fourth Proportional to 235,059,385.20, 352,589,077.80 and 139,507,897.20

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Solution

The fourth proportional to 235,059,385.20, 352,589,077.80 and 139,507,897.20 is: 209,261,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,059,385.20 : 352,589,077.80 = 139,507,897.20 : x
  2. Step 2: Convert to fraction form
    235,059,385.20/352,589,077.80 = 139,507,897.20/x
  3. Step 3: Cross multiply
    235,059,385.20x = 352,589,077.80 × 139,507,897.20
  4. Step 4: Simplify right side
    235,059,385.20x = 49,188,960,819,565,200
  5. Step 5: Solve for x
    x = 49,188,960,819,565,200/235,059,385.20
  6. Step 6: Final answer
    x = 209,261,845.80

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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.