Home / 129,314,352.40-193,971,528.60-52,597,891.60

Finding the Fourth Proportional to 129,314,352.40, 193,971,528.60 and 52,597,891.60

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Solution

The fourth proportional to 129,314,352.40, 193,971,528.60 and 52,597,891.60 is: 78,896,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,314,352.40 : 193,971,528.60 = 52,597,891.60 : x
  2. Step 2: Convert to fraction form
    129,314,352.40/193,971,528.60 = 52,597,891.60/x
  3. Step 3: Cross multiply
    129,314,352.40x = 193,971,528.60 × 52,597,891.60
  4. Step 4: Simplify right side
    129,314,352.40x = 10,202,493,434,789,100
  5. Step 5: Solve for x
    x = 10,202,493,434,789,100/129,314,352.40
  6. Step 6: Final answer
    x = 78,896,837.40

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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.