Home / 74,740,793.40-112,111,190.10-20,888,105.40

Finding the Fourth Proportional to 74,740,793.40, 112,111,190.10 and 20,888,105.40

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Solution

The fourth proportional to 74,740,793.40, 112,111,190.10 and 20,888,105.40 is: 31,332,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740,793.40 : 112,111,190.10 = 20,888,105.40 : x
  2. Step 2: Convert to fraction form
    74,740,793.40/112,111,190.10 = 20,888,105.40/x
  3. Step 3: Cross multiply
    74,740,793.40x = 112,111,190.10 × 20,888,105.40
  4. Step 4: Simplify right side
    74,740,793.40x = 2,341,790,355,328,236
  5. Step 5: Solve for x
    x = 2,341,790,355,328,236/74,740,793.40
  6. Step 6: Final answer
    x = 31,332,158.10

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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.