Home / 210,125,319.23-315,379,244.55-111,839,541.18

Finding the Fourth Proportional to 210,125,319.23, 315,379,244.55 and 111,839,541.18

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Solution

The fourth proportional to 210,125,319.23, 315,379,244.55 and 111,839,541.18 is: 167,861,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,319.23 : 315,379,244.55 = 111,839,541.18 : x
  2. Step 2: Convert to fraction form
    210,125,319.23/315,379,244.55 = 111,839,541.18/x
  3. Step 3: Cross multiply
    210,125,319.23x = 315,379,244.55 × 111,839,541.18
  4. Step 4: Simplify right side
    210,125,319.23x = 35,271,870,008,167,020
  5. Step 5: Solve for x
    x = 35,271,870,008,167,020/210,125,319.23
  6. Step 6: Final answer
    x = 167,861,113.25

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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.