Home / 210,125,350.14-315,379,290.93-111,839,572.12

Finding the Fourth Proportional to 210,125,350.14, 315,379,290.93 and 111,839,572.12

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Solution

The fourth proportional to 210,125,350.14, 315,379,290.93 and 111,839,572.12 is: 167,861,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,350.14 : 315,379,290.93 = 111,839,572.12 : x
  2. Step 2: Convert to fraction form
    210,125,350.14/315,379,290.93 = 111,839,572.12/x
  3. Step 3: Cross multiply
    210,125,350.14x = 315,379,290.93 × 111,839,572.12
  4. Step 4: Simplify right side
    210,125,350.14x = 35,271,884,950,984,104
  5. Step 5: Solve for x
    x = 35,271,884,950,984,104/210,125,350.14
  6. Step 6: Final answer
    x = 167,861,159.67

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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.