Home / 130,385,539.20-195,578,308.80-100,152,451.20

Finding the Fourth Proportional to 130,385,539.20, 195,578,308.80 and 100,152,451.20

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Solution

The fourth proportional to 130,385,539.20, 195,578,308.80 and 100,152,451.20 is: 150,228,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,539.20 : 195,578,308.80 = 100,152,451.20 : x
  2. Step 2: Convert to fraction form
    130,385,539.20/195,578,308.80 = 100,152,451.20/x
  3. Step 3: Cross multiply
    130,385,539.20x = 195,578,308.80 × 100,152,451.20
  4. Step 4: Simplify right side
    130,385,539.20x = 19,587,647,027,870,532
  5. Step 5: Solve for x
    x = 19,587,647,027,870,532/130,385,539.20
  6. Step 6: Final answer
    x = 150,228,676.80

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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.