Home / 199,389,973.80-299,084,960.70-108,690,709.80

Finding the Fourth Proportional to 199,389,973.80, 299,084,960.70 and 108,690,709.80

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Solution

The fourth proportional to 199,389,973.80, 299,084,960.70 and 108,690,709.80 is: 163,036,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,389,973.80 : 299,084,960.70 = 108,690,709.80 : x
  2. Step 2: Convert to fraction form
    199,389,973.80/299,084,960.70 = 108,690,709.80/x
  3. Step 3: Cross multiply
    199,389,973.80x = 299,084,960.70 × 108,690,709.80
  4. Step 4: Simplify right side
    199,389,973.80x = 32,507,756,668,988,104
  5. Step 5: Solve for x
    x = 32,507,756,668,988,104/199,389,973.80
  6. Step 6: Final answer
    x = 163,036,064.70

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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.