Home / 210,125,376.68-315,379,330.80-111,839,598.68

Finding the Fourth Proportional to 210,125,376.68, 315,379,330.80 and 111,839,598.68

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Solution

The fourth proportional to 210,125,376.68, 315,379,330.80 and 111,839,598.68 is: 167,861,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,125,376.68 : 315,379,330.80 = 111,839,598.68 : x
  2. Step 2: Convert to fraction form
    210,125,376.68/315,379,330.80 = 111,839,598.68/x
  3. Step 3: Cross multiply
    210,125,376.68x = 315,379,330.80 × 111,839,598.68
  4. Step 4: Simplify right side
    210,125,376.68x = 35,271,897,788,638,968
  5. Step 5: Solve for x
    x = 35,271,897,788,638,968/210,125,376.68
  6. Step 6: Final answer
    x = 167,861,199.57

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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.