Home / 70,591,620.20-105,887,430.30-46,405,149.80

Finding the Fourth Proportional to 70,591,620.20, 105,887,430.30 and 46,405,149.80

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Solution

The fourth proportional to 70,591,620.20, 105,887,430.30 and 46,405,149.80 is: 69,607,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591,620.20 : 105,887,430.30 = 46,405,149.80 : x
  2. Step 2: Convert to fraction form
    70,591,620.20/105,887,430.30 = 46,405,149.80/x
  3. Step 3: Cross multiply
    70,591,620.20x = 105,887,430.30 × 46,405,149.80
  4. Step 4: Simplify right side
    70,591,620.20x = 4,913,722,065,008,558
  5. Step 5: Solve for x
    x = 4,913,722,065,008,558/70,591,620.20
  6. Step 6: Final answer
    x = 69,607,724.70

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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.