Home / 302,918,237.57-454,515,416.65-155,469,342.38

Finding the Fourth Proportional to 302,918,237.57, 454,515,416.65 and 155,469,342.38

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Solution

The fourth proportional to 302,918,237.57, 454,515,416.65 and 155,469,342.38 is: 233,274,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,918,237.57 : 454,515,416.65 = 155,469,342.38 : x
  2. Step 2: Convert to fraction form
    302,918,237.57/454,515,416.65 = 155,469,342.38/x
  3. Step 3: Cross multiply
    302,918,237.57x = 454,515,416.65 × 155,469,342.38
  4. Step 4: Simplify right side
    302,918,237.57x = 70,663,212,928,370,424
  5. Step 5: Solve for x
    x = 70,663,212,928,370,424/302,918,237.57
  6. Step 6: Final answer
    x = 233,274,871.45

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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.