Home / 117,620,013.92-176,406,770.30-111,787,006.08

Finding the Fourth Proportional to 117,620,013.92, 176,406,770.30 and 111,787,006.08

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Solution

The fourth proportional to 117,620,013.92, 176,406,770.30 and 111,787,006.08 is: 167,658,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,620,013.92 : 176,406,770.30 = 111,787,006.08 : x
  2. Step 2: Convert to fraction form
    117,620,013.92/176,406,770.30 = 111,787,006.08/x
  3. Step 3: Cross multiply
    117,620,013.92x = 176,406,770.30 × 111,787,006.08
  4. Step 4: Simplify right side
    117,620,013.92x = 19,719,984,702,858,800
  5. Step 5: Solve for x
    x = 19,719,984,702,858,800/117,620,013.92
  6. Step 6: Final answer
    x = 167,658,411.57

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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.