Home / 192,918,256.80-289,713,308.40-102,218,992.80

Finding the Fourth Proportional to 192,918,256.80, 289,713,308.40 and 102,218,992.80

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Solution

The fourth proportional to 192,918,256.80, 289,713,308.40 and 102,218,992.80 is: 153,506,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,918,256.80 : 289,713,308.40 = 102,218,992.80 : x
  2. Step 2: Convert to fraction form
    192,918,256.80/289,713,308.40 = 102,218,992.80/x
  3. Step 3: Cross multiply
    192,918,256.80x = 289,713,308.40 × 102,218,992.80
  4. Step 4: Simplify right side
    192,918,256.80x = 29,614,202,585,403,776
  5. Step 5: Solve for x
    x = 29,614,202,585,403,776/192,918,256.80
  6. Step 6: Final answer
    x = 153,506,480.29

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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.