Home / 208,744,835.27-288,059,980.25-115,931,321.82

Finding the Fourth Proportional to 208,744,835.27, 288,059,980.25 and 115,931,321.82

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Solution

The fourth proportional to 208,744,835.27, 288,059,980.25 and 115,931,321.82 is: 159,980,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,835.27 : 288,059,980.25 = 115,931,321.82 : x
  2. Step 2: Convert to fraction form
    208,744,835.27/288,059,980.25 = 115,931,321.82/x
  3. Step 3: Cross multiply
    208,744,835.27x = 288,059,980.25 × 115,931,321.82
  4. Step 4: Simplify right side
    208,744,835.27x = 33,395,174,274,115,420
  5. Step 5: Solve for x
    x = 33,395,174,274,115,420/208,744,835.27
  6. Step 6: Final answer
    x = 159,980,840.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.