Home / 130,377,907.20-195,566,860.80-115,639,276.80

Finding the Fourth Proportional to 130,377,907.20, 195,566,860.80 and 115,639,276.80

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Solution

The fourth proportional to 130,377,907.20, 195,566,860.80 and 115,639,276.80 is: 173,458,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,377,907.20 : 195,566,860.80 = 115,639,276.80 : x
  2. Step 2: Convert to fraction form
    130,377,907.20/195,566,860.80 = 115,639,276.80/x
  3. Step 3: Cross multiply
    130,377,907.20x = 195,566,860.80 × 115,639,276.80
  4. Step 4: Simplify right side
    130,377,907.20x = 22,615,210,348,958,272
  5. Step 5: Solve for x
    x = 22,615,210,348,958,272/130,377,907.20
  6. Step 6: Final answer
    x = 173,458,915.20

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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.