Home / 193,087,827.20-289,631,740.80-111,458,489.60

Finding the Fourth Proportional to 193,087,827.20, 289,631,740.80 and 111,458,489.60

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Solution

The fourth proportional to 193,087,827.20, 289,631,740.80 and 111,458,489.60 is: 167,187,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,827.20 : 289,631,740.80 = 111,458,489.60 : x
  2. Step 2: Convert to fraction form
    193,087,827.20/289,631,740.80 = 111,458,489.60/x
  3. Step 3: Cross multiply
    193,087,827.20x = 289,631,740.80 × 111,458,489.60
  4. Step 4: Simplify right side
    193,087,827.20x = 32,281,916,369,786,696
  5. Step 5: Solve for x
    x = 32,281,916,369,786,696/193,087,827.20
  6. Step 6: Final answer
    x = 167,187,734.40

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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.