Home / 51,168,146.68-76,743,812.93-18,371,926.36

Finding the Fourth Proportional to 51,168,146.68, 76,743,812.93 and 18,371,926.36

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Solution

The fourth proportional to 51,168,146.68, 76,743,812.93 and 18,371,926.36 is: 27,554,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168,146.68 : 76,743,812.93 = 18,371,926.36 : x
  2. Step 2: Convert to fraction form
    51,168,146.68/76,743,812.93 = 18,371,926.36/x
  3. Step 3: Cross multiply
    51,168,146.68x = 76,743,812.93 × 18,371,926.36
  4. Step 4: Simplify right side
    51,168,146.68x = 1,409,931,679,397,786.75
  5. Step 5: Solve for x
    x = 1,409,931,679,397,786.75/51,168,146.68
  6. Step 6: Final answer
    x = 27,554,870.97

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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.