Home / 130,344,550.80-195,642,797.40-65,721,325.20

Finding the Fourth Proportional to 130,344,550.80, 195,642,797.40 and 65,721,325.20

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Solution

The fourth proportional to 130,344,550.80, 195,642,797.40 and 65,721,325.20 is: 98,645,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344,550.80 : 195,642,797.40 = 65,721,325.20 : x
  2. Step 2: Convert to fraction form
    130,344,550.80/195,642,797.40 = 65,721,325.20/x
  3. Step 3: Cross multiply
    130,344,550.80x = 195,642,797.40 × 65,721,325.20
  4. Step 4: Simplify right side
    130,344,550.80x = 12,857,903,910,963,116
  5. Step 5: Solve for x
    x = 12,857,903,910,963,116/130,344,550.80
  6. Step 6: Final answer
    x = 98,645,504.03

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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.