Home / 78,826,222.34-118,239,340.79-23,494,914.57

Finding the Fourth Proportional to 78,826,222.34, 118,239,340.79 and 23,494,914.57

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Solution

The fourth proportional to 78,826,222.34, 118,239,340.79 and 23,494,914.57 is: 35,242,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,826,222.34 : 118,239,340.79 = 23,494,914.57 : x
  2. Step 2: Convert to fraction form
    78,826,222.34/118,239,340.79 = 23,494,914.57/x
  3. Step 3: Cross multiply
    78,826,222.34x = 118,239,340.79 × 23,494,914.57
  4. Step 4: Simplify right side
    78,826,222.34x = 2,778,023,210,556,691.50
  5. Step 5: Solve for x
    x = 2,778,023,210,556,691.50/78,826,222.34
  6. Step 6: Final answer
    x = 35,242,374.03

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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.