Home / 217,318,926.60-325,994,136.30-130,871,190.60

Finding the Fourth Proportional to 217,318,926.60, 325,994,136.30 and 130,871,190.60

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Solution

The fourth proportional to 217,318,926.60, 325,994,136.30 and 130,871,190.60 is: 196,316,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,318,926.60 : 325,994,136.30 = 130,871,190.60 : x
  2. Step 2: Convert to fraction form
    217,318,926.60/325,994,136.30 = 130,871,190.60/x
  3. Step 3: Cross multiply
    217,318,926.60x = 325,994,136.30 × 130,871,190.60
  4. Step 4: Simplify right side
    217,318,926.60x = 42,663,240,746,199,680
  5. Step 5: Solve for x
    x = 42,663,240,746,199,680/217,318,926.60
  6. Step 6: Final answer
    x = 196,316,268.51

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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.