Home / 275,571,675-413,213,994.27-129,966,139.40

Finding the Fourth Proportional to 275,571,675, 413,213,994.27 and 129,966,139.40

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Solution

The fourth proportional to 275,571,675, 413,213,994.27 and 129,966,139.40 is: 194,881,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,571,675 : 413,213,994.27 = 129,966,139.40 : x
  2. Step 2: Convert to fraction form
    275,571,675/413,213,994.27 = 129,966,139.40/x
  3. Step 3: Cross multiply
    275,571,675x = 413,213,994.27 × 129,966,139.40
  4. Step 4: Simplify right side
    275,571,675x = 53,703,827,579,259,544
  5. Step 5: Solve for x
    x = 53,703,827,579,259,544/275,571,675
  6. Step 6: Final answer
    x = 194,881,522.49

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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.