Home / 300,128,052.60-450,192,078.90-249,109,716.60

Finding the Fourth Proportional to 300,128,052.60, 450,192,078.90 and 249,109,716.60

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Solution

The fourth proportional to 300,128,052.60, 450,192,078.90 and 249,109,716.60 is: 373,664,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,128,052.60 : 450,192,078.90 = 249,109,716.60 : x
  2. Step 2: Convert to fraction form
    300,128,052.60/450,192,078.90 = 249,109,716.60/x
  3. Step 3: Cross multiply
    300,128,052.60x = 450,192,078.90 × 249,109,716.60
  4. Step 4: Simplify right side
    300,128,052.60x = 112,147,221,190,343,824
  5. Step 5: Solve for x
    x = 112,147,221,190,343,824/300,128,052.60
  6. Step 6: Final answer
    x = 373,664,574.90

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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.