Home / 96,770,137.60-145,155,206.40-72,583,667.20

Finding the Fourth Proportional to 96,770,137.60, 145,155,206.40 and 72,583,667.20

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Solution

The fourth proportional to 96,770,137.60, 145,155,206.40 and 72,583,667.20 is: 108,875,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,770,137.60 : 145,155,206.40 = 72,583,667.20 : x
  2. Step 2: Convert to fraction form
    96,770,137.60/145,155,206.40 = 72,583,667.20/x
  3. Step 3: Cross multiply
    96,770,137.60x = 145,155,206.40 × 72,583,667.20
  4. Step 4: Simplify right side
    96,770,137.60x = 10,535,897,193,684,910
  5. Step 5: Solve for x
    x = 10,535,897,193,684,910/96,770,137.60
  6. Step 6: Final answer
    x = 108,875,500.80

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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.