Home / 371,148,080.49-512,175,417.48-206,135,781.21

Finding the Fourth Proportional to 371,148,080.49, 512,175,417.48 and 206,135,781.21

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Solution

The fourth proportional to 371,148,080.49, 512,175,417.48 and 206,135,781.21 is: 284,462,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,148,080.49 : 512,175,417.48 = 206,135,781.21 : x
  2. Step 2: Convert to fraction form
    371,148,080.49/512,175,417.48 = 206,135,781.21/x
  3. Step 3: Cross multiply
    371,148,080.49x = 512,175,417.48 × 206,135,781.21
  4. Step 4: Simplify right side
    371,148,080.49x = 105,577,679,798,797,696
  5. Step 5: Solve for x
    x = 105,577,679,798,797,696/371,148,080.49
  6. Step 6: Final answer
    x = 284,462,416.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.