Home / 302,908,636.22-418,013,900.25-163,679,394.02

Finding the Fourth Proportional to 302,908,636.22, 418,013,900.25 and 163,679,394.02

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Solution

The fourth proportional to 302,908,636.22, 418,013,900.25 and 163,679,394.02 is: 225,877,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,908,636.22 : 418,013,900.25 = 163,679,394.02 : x
  2. Step 2: Convert to fraction form
    302,908,636.22/418,013,900.25 = 163,679,394.02/x
  3. Step 3: Cross multiply
    302,908,636.22x = 418,013,900.25 × 163,679,394.02
  4. Step 4: Simplify right side
    302,908,636.22x = 68,420,261,884,856,728
  5. Step 5: Solve for x
    x = 68,420,261,884,856,728/302,908,636.22
  6. Step 6: Final answer
    x = 225,877,554.17

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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.