Home / 130,339,390.80-195,635,057.40-65,716,165.20

Finding the Fourth Proportional to 130,339,390.80, 195,635,057.40 and 65,716,165.20

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Solution

The fourth proportional to 130,339,390.80, 195,635,057.40 and 65,716,165.20 is: 98,637,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339,390.80 : 195,635,057.40 = 65,716,165.20 : x
  2. Step 2: Convert to fraction form
    130,339,390.80/195,635,057.40 = 65,716,165.20/x
  3. Step 3: Cross multiply
    130,339,390.80x = 195,635,057.40 × 65,716,165.20
  4. Step 4: Simplify right side
    130,339,390.80x = 12,856,385,751,009,884
  5. Step 5: Solve for x
    x = 12,856,385,751,009,884/130,339,390.80
  6. Step 6: Final answer
    x = 98,637,761.56

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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.