Home / 302,908,241.52-418,013,355.45-163,678,998.78

Finding the Fourth Proportional to 302,908,241.52, 418,013,355.45 and 163,678,998.78

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Solution

The fourth proportional to 302,908,241.52, 418,013,355.45 and 163,678,998.78 is: 225,877,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,908,241.52 : 418,013,355.45 = 163,678,998.78 : x
  2. Step 2: Convert to fraction form
    302,908,241.52/418,013,355.45 = 163,678,998.78/x
  3. Step 3: Cross multiply
    302,908,241.52x = 418,013,355.45 × 163,678,998.78
  4. Step 4: Simplify right side
    302,908,241.52x = 68,420,007,496,724,256
  5. Step 5: Solve for x
    x = 68,420,007,496,724,256/302,908,241.52
  6. Step 6: Final answer
    x = 225,877,008.67

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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.