Home / 66,812,522-92,199,712.20-39,312,231.44

Finding the Fourth Proportional to 66,812,522, 92,199,712.20 and 39,312,231.44

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Solution

The fourth proportional to 66,812,522, 92,199,712.20 and 39,312,231.44 is: 54,249,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,812,522 : 92,199,712.20 = 39,312,231.44 : x
  2. Step 2: Convert to fraction form
    66,812,522/92,199,712.20 = 39,312,231.44/x
  3. Step 3: Cross multiply
    66,812,522x = 92,199,712.20 × 39,312,231.44
  4. Step 4: Simplify right side
    66,812,522x = 3,624,576,424,707,791.50
  5. Step 5: Solve for x
    x = 3,624,576,424,707,791.50/66,812,522
  6. Step 6: Final answer
    x = 54,249,956.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.