Home / 210,125,365.65-315,379,314.27-111,839,587.65

Finding the Fourth Proportional to 210,125,365.65, 315,379,314.27 and 111,839,587.65

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Solution

The fourth proportional to 210,125,365.65, 315,379,314.27 and 111,839,587.65 is: 167,861,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,365.65 : 315,379,314.27 = 111,839,587.65 : x
  2. Step 2: Convert to fraction form
    210,125,365.65/315,379,314.27 = 111,839,587.65/x
  3. Step 3: Cross multiply
    210,125,365.65x = 315,379,314.27 × 111,839,587.65
  4. Step 4: Simplify right side
    210,125,365.65x = 35,271,892,461,296,560
  5. Step 5: Solve for x
    x = 35,271,892,461,296,560/210,125,365.65
  6. Step 6: Final answer
    x = 167,861,183.02

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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.