Home / 210,125,317.73-315,379,242.29-111,839,539.68

Finding the Fourth Proportional to 210,125,317.73, 315,379,242.29 and 111,839,539.68

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Solution

The fourth proportional to 210,125,317.73, 315,379,242.29 and 111,839,539.68 is: 167,861,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,317.73 : 315,379,242.29 = 111,839,539.68 : x
  2. Step 2: Convert to fraction form
    210,125,317.73/315,379,242.29 = 111,839,539.68/x
  3. Step 3: Cross multiply
    210,125,317.73x = 315,379,242.29 × 111,839,539.68
  4. Step 4: Simplify right side
    210,125,317.73x = 35,271,869,282,620,392
  5. Step 5: Solve for x
    x = 35,271,869,282,620,392/210,125,317.73
  6. Step 6: Final answer
    x = 167,861,111.00

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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.