Home / 190,857,860.40-285,950,867.40-163,984,004.40

Finding the Fourth Proportional to 190,857,860.40, 285,950,867.40 and 163,984,004.40

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Solution

The fourth proportional to 190,857,860.40, 285,950,867.40 and 163,984,004.40 is: 245,687,383.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,857,860.40 : 285,950,867.40 = 163,984,004.40 : x
  2. Step 2: Convert to fraction form
    190,857,860.40/285,950,867.40 = 163,984,004.40/x
  3. Step 3: Cross multiply
    190,857,860.40x = 285,950,867.40 × 163,984,004.40
  4. Step 4: Simplify right side
    190,857,860.40x = 46,891,368,297,905,416
  5. Step 5: Solve for x
    x = 46,891,368,297,905,416/190,857,860.40
  6. Step 6: Final answer
    x = 245,687,383.27

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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.