Home / 130,339,356.80-195,635,006.40-65,716,131.20

Finding the Fourth Proportional to 130,339,356.80, 195,635,006.40 and 65,716,131.20

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Solution

The fourth proportional to 130,339,356.80, 195,635,006.40 and 65,716,131.20 is: 98,637,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339,356.80 : 195,635,006.40 = 65,716,131.20 : x
  2. Step 2: Convert to fraction form
    130,339,356.80/195,635,006.40 = 65,716,131.20/x
  3. Step 3: Cross multiply
    130,339,356.80x = 195,635,006.40 × 65,716,131.20
  4. Step 4: Simplify right side
    130,339,356.80x = 12,856,375,747,895,240
  5. Step 5: Solve for x
    x = 12,856,375,747,895,240/130,339,356.80
  6. Step 6: Final answer
    x = 98,637,710.54

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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.