Home / 48,291,015.20-72,436,522.80-15,947,909.60

Finding the Fourth Proportional to 48,291,015.20, 72,436,522.80 and 15,947,909.60

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Solution

The fourth proportional to 48,291,015.20, 72,436,522.80 and 15,947,909.60 is: 23,921,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291,015.20 : 72,436,522.80 = 15,947,909.60 : x
  2. Step 2: Convert to fraction form
    48,291,015.20/72,436,522.80 = 15,947,909.60/x
  3. Step 3: Cross multiply
    48,291,015.20x = 72,436,522.80 × 15,947,909.60
  4. Step 4: Simplify right side
    48,291,015.20x = 1,155,211,117,352,738.75
  5. Step 5: Solve for x
    x = 1,155,211,117,352,738.75/48,291,015.20
  6. Step 6: Final answer
    x = 23,921,864.40

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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.