Home / 70,247,201.60-105,372,651.36-19,130,265.92

Finding the Fourth Proportional to 70,247,201.60, 105,372,651.36 and 19,130,265.92

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Solution

The fourth proportional to 70,247,201.60, 105,372,651.36 and 19,130,265.92 is: 28,695,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247,201.60 : 105,372,651.36 = 19,130,265.92 : x
  2. Step 2: Convert to fraction form
    70,247,201.60/105,372,651.36 = 19,130,265.92/x
  3. Step 3: Cross multiply
    70,247,201.60x = 105,372,651.36 × 19,130,265.92
  4. Step 4: Simplify right side
    70,247,201.60x = 2,015,806,841,212,249.75
  5. Step 5: Solve for x
    x = 2,015,806,841,212,249.75/70,247,201.60
  6. Step 6: Final answer
    x = 28,695,902.40

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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.