Home / 208,744,766.30-288,059,885.40-115,931,252.84

Finding the Fourth Proportional to 208,744,766.30, 288,059,885.40 and 115,931,252.84

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Solution

The fourth proportional to 208,744,766.30, 288,059,885.40 and 115,931,252.84 is: 159,980,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,766.30 : 288,059,885.40 = 115,931,252.84 : x
  2. Step 2: Convert to fraction form
    208,744,766.30/288,059,885.40 = 115,931,252.84/x
  3. Step 3: Cross multiply
    208,744,766.30x = 288,059,885.40 × 115,931,252.84
  4. Step 4: Simplify right side
    208,744,766.30x = 33,395,143,407,368,824
  5. Step 5: Solve for x
    x = 33,395,143,407,368,824/208,744,766.30
  6. Step 6: Final answer
    x = 159,980,745.86

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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.