Home / 66,812,520-92,199,709.44-39,312,229.44

Finding the Fourth Proportional to 66,812,520, 92,199,709.44 and 39,312,229.44

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Solution

The fourth proportional to 66,812,520, 92,199,709.44 and 39,312,229.44 is: 54,249,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,812,520 : 92,199,709.44 = 39,312,229.44 : x
  2. Step 2: Convert to fraction form
    66,812,520/92,199,709.44 = 39,312,229.44/x
  3. Step 3: Cross multiply
    66,812,520x = 92,199,709.44 × 39,312,229.44
  4. Step 4: Simplify right side
    66,812,520x = 3,624,576,131,806,613.50
  5. Step 5: Solve for x
    x = 3,624,576,131,806,613.50/66,812,520
  6. Step 6: Final answer
    x = 54,249,953.93

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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.