Home / 69,125,771.20-103,688,656.80-43,483,633.60

Finding the Fourth Proportional to 69,125,771.20, 103,688,656.80 and 43,483,633.60

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Solution

The fourth proportional to 69,125,771.20, 103,688,656.80 and 43,483,633.60 is: 65,225,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125,771.20 : 103,688,656.80 = 43,483,633.60 : x
  2. Step 2: Convert to fraction form
    69,125,771.20/103,688,656.80 = 43,483,633.60/x
  3. Step 3: Cross multiply
    69,125,771.20x = 103,688,656.80 × 43,483,633.60
  4. Step 4: Simplify right side
    69,125,771.20x = 4,508,759,560,767,349
  5. Step 5: Solve for x
    x = 4,508,759,560,767,349/69,125,771.20
  6. Step 6: Final answer
    x = 65,225,450.40

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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.