Home / 208,892,907.28-288,266,478.87-116,071,028.56

Finding the Fourth Proportional to 208,892,907.28, 288,266,478.87 and 116,071,028.56

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Solution

The fourth proportional to 208,892,907.28, 288,266,478.87 and 116,071,028.56 is: 160,174,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,892,907.28 : 288,266,478.87 = 116,071,028.56 : x
  2. Step 2: Convert to fraction form
    208,892,907.28/288,266,478.87 = 116,071,028.56/x
  3. Step 3: Cross multiply
    208,892,907.28x = 288,266,478.87 × 116,071,028.56
  4. Step 4: Simplify right side
    208,892,907.28x = 33,459,386,701,810,408
  5. Step 5: Solve for x
    x = 33,459,386,701,810,408/208,892,907.28
  6. Step 6: Final answer
    x = 160,174,833.78

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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.