Home / 210,125,358.90-315,379,304.00-111,839,580.83

Finding the Fourth Proportional to 210,125,358.90, 315,379,304.00 and 111,839,580.83

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Solution

The fourth proportional to 210,125,358.90, 315,379,304.00 and 111,839,580.83 is: 167,861,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,358.90 : 315,379,304.00 = 111,839,580.83 : x
  2. Step 2: Convert to fraction form
    210,125,358.90/315,379,304.00 = 111,839,580.83/x
  3. Step 3: Cross multiply
    210,125,358.90x = 315,379,304.00 × 111,839,580.83
  4. Step 4: Simplify right side
    210,125,358.90x = 35,271,889,159,681,048
  5. Step 5: Solve for x
    x = 35,271,889,159,681,048/210,125,358.90
  6. Step 6: Final answer
    x = 167,861,172.71

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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.