Home / 65,389,103.20-97,915,693.20-51,840,200.80

Finding the Fourth Proportional to 65,389,103.20, 97,915,693.20 and 51,840,200.80

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Solution

The fourth proportional to 65,389,103.20, 97,915,693.20 and 51,840,200.80 is: 77,627,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,389,103.20 : 97,915,693.20 = 51,840,200.80 : x
  2. Step 2: Convert to fraction form
    65,389,103.20/97,915,693.20 = 51,840,200.80/x
  3. Step 3: Cross multiply
    65,389,103.20x = 97,915,693.20 × 51,840,200.80
  4. Step 4: Simplify right side
    65,389,103.20x = 5,075,969,196,959,194
  5. Step 5: Solve for x
    x = 5,075,969,196,959,194/65,389,103.20
  6. Step 6: Final answer
    x = 77,627,141.96

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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.