Home / 130,339,357.80-195,635,007.90-65,716,132.20

Finding the Fourth Proportional to 130,339,357.80, 195,635,007.90 and 65,716,132.20

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Solution

The fourth proportional to 130,339,357.80, 195,635,007.90 and 65,716,132.20 is: 98,637,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339,357.80 : 195,635,007.90 = 65,716,132.20 : x
  2. Step 2: Convert to fraction form
    130,339,357.80/195,635,007.90 = 65,716,132.20/x
  3. Step 3: Cross multiply
    130,339,357.80x = 195,635,007.90 × 65,716,132.20
  4. Step 4: Simplify right side
    130,339,357.80x = 12,856,376,042,104,446
  5. Step 5: Solve for x
    x = 12,856,376,042,104,446/130,339,357.80
  6. Step 6: Final answer
    x = 98,637,712.04

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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.