Home / 163,639,298.43-225,827,028.36-89,304,638.43

Finding the Fourth Proportional to 163,639,298.43, 225,827,028.36 and 89,304,638.43

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Solution

The fourth proportional to 163,639,298.43, 225,827,028.36 and 89,304,638.43 is: 123,243,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,639,298.43 : 225,827,028.36 = 89,304,638.43 : x
  2. Step 2: Convert to fraction form
    163,639,298.43/225,827,028.36 = 89,304,638.43/x
  3. Step 3: Cross multiply
    163,639,298.43x = 225,827,028.36 × 89,304,638.43
  4. Step 4: Simplify right side
    163,639,298.43x = 20,167,401,115,411,160
  5. Step 5: Solve for x
    x = 20,167,401,115,411,160/163,639,298.43
  6. Step 6: Final answer
    x = 123,243,018.69

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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.